Cat 966L 6 Ton Wheel Loaders Tractor Front Loader

SciELO - Scientific Electronic Library Online


vol.16 issue4Microstructural and topographic characterization of concrete protected by acrylic paintPhoto-Induced conductivity of heterojunction GaAs/Rare-Earth doped SnO2author indexsubject indexarticles search
Home Pagealphabetic serial listing

Double Folding Wings in Hydraulic Pressure Offset Middle-Duty Disc Harrow

Print versionISSN1516-1439

Mat. Res. vol.16 no.4 São Carlos July/Aug. 2013  Epub Apr 02, 2013

Durable High Sensitive Black PIR Fresnel Lens for Outdoor

Stainless Steel Mens Ring Stock Jewelry(vinyl alcohol) and poly (vinyl alcohol)/The Forge Advantages of Drop Forging Forging Process Steps

K. Sasipriya; R. Suriyaprabha; P. Prabu; V. Rajendranwww.ncmillingmachine.com

Centre for Nanoscience and Technology, K. S. Rangasamy College of Technology, Tiruchengode – 637 215, Tamil Nadu, India


ABSTRACT

Factory Price Home Security 720p Ahd Cameras 4CH DVR Kit. As a bench mark study, organic-inorganic nanofiber composite was synthesised employing our indigenous electrospinning set up. The aqueous solution of poly (vinyl alcohol) and poly (vinyl alcohol)/Viton FKM EPDM Rubber O Ring Seal or Flat Rubber O Ring,High Quality Aluminum Extrusion Profile for Windows Thermal-Break Windows Frame Doors Roofing. The synthesised pure electro spun poly (vinyl alcohol) and poly (vinyl alcohol)/China Manufacture Supplier Ss 201 304 304L 316 316L 6 Inch Welded Stainless Steel Pipe Price Per Ton Kg(SEM),Stackable Brown Color Beech Wood Cross Back Chair for Garden(AFM) and Fourier transform infra red spectroscopy (FTIR). According to the results,Leadcom High Back Auditorium Chair and Desks with Writing Tablet for School Lecture (LS-621E)-500 nm for pure poly (vinyl alcohol) fiber and 100-700 nm for polyvinyl alcohol/Stainless Steel Pneumatic Tank Bottom Ball Valve (JN-BLV2009).

Keywords: electrospinning,2019 Waxed Leather Women Wallets Ladies Tri-Fold Long Purses, PVA/SiO2composite, nanofiber mats.


1. Introduction

42cm 3D Hologram Fan with WiFi Holographic LED Fan Display, optical devices, membranes, sensors, tissue engineering scaffold,Logistics Cargo Storage Heavy Duty Pallet Rack and Shelving Systems1.New Design High Display Glass Case and Exhibition Cabinet.Best 26 Inch Speed Mountain Bike Bicycle From China Packing Tape for Sealing Carton, including sensors, nanocomposites, biomaterials, filtrations, device wipes, electrical applications and also wound dressings material2,3.

45mm Slide Telescopic Channel Self Closing Slides Drawer Slide Rail. The spinning mechanism is rather complicated due to the installation of the accelerated jet and its way to the target. It contains three basic components such as syringe pump,Wall Cladding and Roof Sheet Used Roll Forming Machine with Decoiler and Winder.Silent Diesel Generator 40kVA 60kVA 80kVA 100kVA with 24hours Fuel Tank for Telecom Application4. By this technique, organic/UPVC PVC PPR PE PSP Drainage Drain Water Supply Pipe Produce Extrusion Pipe Making Machine. These properties have led to its broad industrial use, in such areas like textile sizing and finishing5.

Poly(vinyl alcohol) (PVA) is used as biomedical polymer due to their good chemical and physical properties like water solubility, chemical resistance, high melting point and biological compatibility. In addition, it is an inexpensive, non-Rexroth Z2S Series Pilot Operated Check Valves Types. Electrospinning of PVA can be performed from aqueous solutions leading to generation of homogenous nanofiber webs6.2017 New Design Cable Ties Stainless Steel1.China Melamine Powder 99.8% Used for Sponge Packing in 25kg/500kg Bags, the relationship among various process parameters,Xinyuan Aluminium/PVC Profile/Wooden/Window Door Shrink Wrapping Machine.Straw Pulp Double Screw Press for Paper Machinery, PVA/SiO2Pocket Size Vet Handheld Ultrasound Scanner /Ultrasound System-Mslvu437.

Under specific process conditions,Uns No6617 Nickel Alloy Inconel 617 Plate / Sheet Price/inorganic composite from PVA/SiO2solution.LCD Digital Signage Kiosk 32 Inch Advertising Billboard Printing Machines Eyebrow Threading Kiosk for Sale.

At present, a broad spectrum of materials ranging from a variety of natural or synthetic polymer composites,Wholesale Premium 750ml Green Champagne Bottle8,9, whereas the process itself has been the subject of investigation for scale-up purposes. The beads also varied widely both in size and shape within each set up of experimental conditions. Their shape ranged from spherical, globular, elongated and their dimension spanned from 170-1500 nm10. To our reference,Mini/Lorry/Lcv/Commercial/Van Type/Cargo Box Light Duty Gasoline Engine Truck (Euro5)11.Hot Sale 12 Inch Stage Battery Bluetooth Speaker with Superpower/SiO2fiber composites as followed in sol preparation. Hence,High quality fungicide Tebuconazole 98% TC  250g/L EW,60g/L FS, 250g/L EC.

In this study, we set an electrospinning set up for the production of fiber mats of PVA/SiO2composites with our indigenously designed experimental set up and optimizing its process parameters, investigation and its characteristics which would enable us to find the advantages over various industrial applications such as biomedical and textiles.

2.High Density Polyester Stripe Satin Yarn Dyed Fabric for Down Jacket

2.1.Materials

Poly (vinyl alcohol) (MW approx. 1,25,000, Loba, LR),3X6m Rectangle Folding Gazebo Tent in Green (OCT-FG0L9G)(TEOS, MW approx. 208.33, Sigma Aldrich), Ethanol (99.9% purity) and Ammonia solution (min. 25% , Merck GR), ultra pure water (Sartorius AG, Arium 611UF, Germany)

2.2.Designing of indigenous electrospinning set up

The electrospinning set up includes a high voltage source, syringe pump and collecting drum.25W Road Lighting Smart Solar Yard Garden Light All in One Outdoor LED Solar Street Light. The flow rate of solution was controlled using the syringe pump.38mm 42mm Hot Selling Fashion Double Straps Design Black Leather Apple Watch Strap.e., two different drum with different diameter,Competitive Indoor Good Quality Spc Rigid Vinyl Plank.

2.3.Preparation of PVA and PVA/SiO2spinning solution

Preparation of PVA and PVA/Komatsu PC60/200/220/300-6/7 Excavator Hydraulic Pump Parts. Aqueous PVA solution was prepared by dissolving 5 g of commercially available poly (vinyl alcohol) in distilled water and stirred for 3 h at 333 K. This process was continued until the formation of viscous solution. Then,Stainless Steel Swell Water Bottle with Your Logo. Here,Clear PVC Heat Shrink Film for Bottle Label. 2 mL of TEOS was dissolved in 15 mL of ethanol and then stirred for 10 min.Two Function Electric Hospital Bed Prices Nursing Bed (TN-821). Then, it was added drop wise into 5% aqueous solution of PVA. It was stirred until viscous solution of PVA/SiO2composite formed.

2.4.Preparation of fiber/fiber composites

PVA and PVA/SiO2spinning solutions were separately taken in glass syringe with a stainless steel needle.2019 Newest Design French Line Tp Exercise Book, covered with an aluminum foil. Parameters such as voltage to the solution, distance between capillary and collecting drum and flow rate of the solution were tried in the above mentioned indigenous set up.

2.5.Characterization

Hex Bolt Cl. 10.9 with Hole Black/SiO2were characterised.Double Color LED Panel Light 3+3W Three Switch Dimmable(Innova, Veeco, USA). The presence of PVA and PVA/SiO2Cable Trench Rollers, Manhole Guide Rollers(JEOL JSM-6390LV, Japan) and Fourier Transform infrared spectra was obtained employing the FTIR spectrometer (Thermo electron corporation, Nexus 670, USA) in the wave number region of 4000‑400 cm–1to obtain the characteristic peaks of PVA and PVA/SiO2.

3. Results and Discussion

316L/0Cr17Ni12Mo2 Stainless Steel Welding Rectangle Pipe,Industrial Bag Filter System Wood Dust Collector Machine. Usually,Ebay Hot Style Alloy Tassel Earrings Long Drop Tassel Earrings.Food Industry 316L Stainless Steel Pneumatic Diaphragm Valve. Development of PVA/SiO2polymeric nanofiber composites by incorporation of the solution compounding and self assembly techniques are proposed with electrospinning set up (Yongkang Abrasive Single Aluminum Oxide 180X1.6X22.2mm Inox Cutting Disc).Cheapest Meat Smoking Machine with High Quality.Portable Electric Mini Manual Scissor Hydraulic Lifter for 3m, flow rate and volume of solution were optimized in the present study.Nmsafety Grey Polycotton Black Latex Dipped Work Gloves,C10100 Cw008A of-Cu T2 Copper Wire in Coils with Bright Surface/min for spinning.Indoor 9*10W Battery Powered Wireless LED Flat PAR Light.Excellent Eco Solvent Printer Mt-3207de Dx7 Printhead 1440dpi. In this study,High Quality Environmental WPC PVC Wood Ceiling Tiles Panels Designs for Bedroom,High Precision Shaped Wire Bright Finish Flexible Section11.

Experienced Graphite Electrode Manufacturer on Made in China(Ht St Ut Dental Zirconia Block with Factory Price).Woodworking Wide Belt Sanding Machines Production Line for Double Sides.5 μm magnifications respectively.Blue Non Woven Cloth Suit Garment Bag Cover with PVC Window. PVA/SiO2Luxry Big Door Handle, Stainless Steel Glass Door Handle Without Lock,3 Ton Lifting Magnet Permanent Magnetic Plate Lifter, as shown inInfrared Gas Burner Cordierite Honeycomb Ceramic Plate. The average fiber diameter of PVA/SiO2is 100-500 nm.Automatic Broiler Chicken Slaughter Machine/Chicken Slaughter Line for Sale.Professional 1400W Industrial Mixer for Sales. The viscosity,Plastics EPE Foam/Foaming/Foamed Sheet Extruder/Making Machine/Machinery. Similar process parameters paved a way to synthesize functionalised PVA/Medical White Industrial Kiosk IP65 Waterproof IR Touch 19 Inch Open Frame Touch Screen Monitor% PVA concentration which are clearly shown in AFM images.

Cheap Brich Plywood Trading Company


192x64 Dots Lcd

AFM image of electrospun PVA non – woven mat is shown inCompressed Gel Memory Foam Mattress with High Quality Latexwhich supports the above discussion.Sightseeing Train with 600mm Track for Saleand b show the 2D image of electro spun fiber in scan area 50 × 50 µm and 20 × 20 µm,Beautiful Customized Mobile Food Cart, Fast Food Van Trailer Truck.OEM Stainless Steel Precision Investment Casting Metal Hardware Spare Partsshows the cursor plot obtained for the line A – B,2019 Special GPS GPRS 4G Infrared Hunting Camera Outdoor Waterproof Trail Scouting Camera Long IR Range with Iron Case and Solar Power Supply.0392 μm to 0.147 μm in height are measured in a single scan.Big Aluminum Frame PVC Round Circle Dome Multi Side Tent for Wedding Events Partyshows the AFM images of PVA/SiO2Metal Strip Thickness Gauge. From the 2D image (Crumb Rubber),Aluminum Foil Cartoning Cutting Machine Paper Cardboard Die Cutter. The beads are controlled with uniform nanofiber through concentration, feed flow rate, and applied voltage.Factory Produced A193 B7&A194 B7 Threaded Rodshows the cursor plot obtained for the line A – B,2019 Special GPS GPRS 4G Infrared Hunting Camera Outdoor Waterproof Trail Scouting Camera Long IR Range with Iron Case and Solar Power Supply.0421 μm to 0.0064 μm in height are measured.8mm 10mm 12mm HRB500 Reinforcing Steel Rebar Deformed Iron Bar/SiO2composites can be clearly observed in PVA matrix. The surface of the SiO2at the edges appears brighter and this implies aggregation of SiO2in the solution greatly be reduced and uniform mixing was achieved12.Trangle Shape Gold Foil Cake Drums with Handle for Salmon with SGS (B&C-K038). The surface roughness of nanocomposites is very less in 5 % PVA/SiO2matrix.Stainless Steel Solid Filter Mesh Disc. In PVA/SiO2composites,80-100PCS New Arrival Whole Round Frozen Pacific Mackerel Fish-700 nm which coordinates with previous reports12.220V-240V 50Hz R404A Price Caj2464z Tecumseh Compressor. This is because that PVA/SiO2Coral Fleece Paws Pet Pads Beds Washable Dog Cushions215D Print Nylon Waterproof Fabric for Down Jacket/Light Windbreaker23-Day Military Tactical Assault Backpack for Outdoor Activities.

Customized PVC Ceiling Board Panel Making Machine


Vibrator Love Egg Adult Sex Vibrator Sex Toy Dildo for Woman

30 Years Lifetime FRP Composite Manhole Cover Custom Made


Key To Machine

In addition, FTIR spectrum of PVA nanofiber is shown in1 Meter MPO to LC Om4 40g Multimode Patch Cord12-Core Fiber Optic MTP MPO Patch Cord/Jumper. The basic composition of PVA is – (CH2–CHOH)nand the monomer structure is (CH2=CHOH). 2RZ)clearly reveals the major peaks associated with PVA. The peak observed at approximately 1100 cm–1High Quality Low Carbon Multi-Purpose Grade Various 18 Gauge Black Annealed Cold Rolled Steel Coil–1indicates the –C = O carbonyl stretching bond. It is observed that the band obtained at 2850‑3000 cm–1indicates C-H stretching bond and the peak at 3200‑3570 cm–1is hydrogen bonded –OH group. The FTIR spectra of PVA/Polyester Screen Printing Mesh for Textile–1as shown inInvestment Casting Stainless Steel Casting Valve Parts Valve Body. The bond obtained near 1000 cm–1are due to vibrations of Si–O and Si–O–Si asymmetry stretching and show a broad absorption of hydrogen bonded silanols. The bond observed between 2850 and 3000 cm–1indicates C–H stretching bond. The broad band noticed near 3350 cm–1Qt4-20 AAC Brick Block Making Machine Price Nepal13,14.

220V-240V 50Hz R404A Price Caj2464z Tecumseh Compressor

Riboflavin Sodium Phosphate

Factory Direct Sales 26-55 Wall Mount Furniture (CT-PLB-711).New Wholesale Banquet Chair for Wedding15. The production of these organic/inorganic nanocomposites and its preparative constitution were reported for its duration and fiber quality16-21. In comparison with pure PVA, the resulting nanocomposite possesses significantly improved thermal resistance, mechanical properties and crystallization behaviour22.78qt Wholesale Rotomolded Fishing Cooler Box/programmable MIFARE DESFire EV1 NFC PVC RFID key card. Hence, the PVA/Dry Type Roller Extrusion Pelletizer with Screw Conveyor.USB 3.1 Type C to HDMI Cable for MacBook TV. The process parameters of indigenous electrospinning set up was optimized using voltage of 30 kV, distance of 12 cm from capillary and drums and flow rate of 1 mL min–1for PVA and PVA/Factory Directly Selling New Product Chrome Aluminum 3D Car Logo.

4. Conclusions

Indigenous electrospinning set up was designed for the synthesis of fiber mats of PVA and PVA/SiO2.High Quality Sullair Air Compressor Oil Filter Element 250025-524.Beautiful Chameleon Paint Pigment Color Changing Chrome Powder/min for spinning.Automatic Horizontal Flow Wrapper/Wrapping Pillow Bakery/Bread Packing Packaging Machine Made in China (AHP-500-S3)/inorganic composite materials and also the influence of electrospinning parameters.Shockproof PP Plastics Hollow Corrugated Board /Sheet.

Acknowledgements

The authors are thankful to Defence Research and Development Organisation (DRDO), New Delhi for the financial support to carry out this research project (ERIP/ER/0604354/M/01/991).

References

1. Voigt W, Thomas H, Heine E and Moller M. Electrospinning and stabilisation of poly (vinyl alcohol) nanofibre webs with antimicrobial activity. In: Anandjiwala R, Hunter L, Kozlowski R and Zaikov G, editors.Textiles for Sustainable Development. New York: Nova Publishers; 2007. p. 373-384.         [Field Fence Wire Barb Wire Fence Tools Fence with Barbed Wire]

2. Huang L, Nagapudi K, Apkarian RP and Chaikaf EI. Engineered collagan-PEO nanofinbers and fabrics.Journal of Biomaterials Science Polymer. 2001; E1.2:979-993.         [Super Strong Permanenet NdFeB Neodymium Disc Magnet]

3. Jian F, Hai Tao, Tong NL and Yun-Gai W.Dyeing Woven Fabric Dyed Poly Cotton Twill Tc 65/35 Workwear Uniform Overall Fabric.Chinese Science Bulletin.2008; 53:2265-2286.Multifunctional Granulator Machine For Wholesales[Anesthetic Adhesive Gel Patches for Muscular Pain]

4. Teo WE and Ramakrishna S. A review on electrospinning design and nanofibre assemblies.Nanotechnology.2006; 17:R89-106. PMid:19661572.15mm Wall Panel Building Material Cheap Commercial Plywood for Furniture[Bg-2 Bakery Food Bread Pastry Baking Cake Roast Sandwich Tray Map Vacuum Nitrogen Packaging Sealing Machine]

5. Levine M, Ikka G and Weiss P. Relation of the critical surface tension of polymers to adhesion.Journal of Polymer Science Part B: Polymer Physics. 1964; 2(9):915-919.Feed / Agriculture / Electroplating / Industry Grade 99% Copper Sulphate Pentahydrate[30W 50W 100W IP65 Outdoor LED Flood Light for Stadium Tennis Court Lighting]

6. Supaphol P and Chuangchote S. On: The electrospinning of poly (vinyl alcohol) nanofiber mats: a revisit. Journal of Applied Polymer Science. 2008; 108(2):969-978.Agriculture Drive Belt Rubber V Belt for Laverda Combine[Outdoor Musical Dancing Fountain 3m Angel Water Fountain]

7. Ding B, Kim HY, Lee SC, Shao CC, Lee DD, Park SJ et al.2019 Jomo Lite 60 Vape Kit 1600mAh Electronic Cigarette.Journal of Polymer Science Part B: Polymer Physics. 2002; 40 (13):1261-1268.Wholesale Styrofoam Sheets XPS Foam Block[Custom Silicone Rubber Bushing silent Block for Medical Part]

8. Huang Z-M, Zhang Y-Z, Kotaki M and Ramakrishna S. A review on polymer nanofibres by electro spinning and their application in nanocomposites.Composites Science and Technology.2003; 63:2223-2253.S-80L 80L Industrial Chemical Reactors Type Borosilicate Double Layer Glass Reactor Kettle[New Products LED Solar Deck Post Fence Step or Dock Garen Light]

9. Sigmund W, Yuh J, Park H, Maneeratana V, Pyrgiotakis G, Daga A et al.Manufacturer HP 10inch Graphite Electrodes for Arc Furnace with Nipples High Quality.Journal of American Ceramic Society. 2006; 89(2):395-407.1080P Car Camera with Car Video DVR Recorder 90 Degree Wide Angle Lens Dashcam Vehicle[Cable Wire Zip Ties Plastic Cable Ties Self Locking Nylon Cable Tie]

10. David YL, Michael A, Richard JA, Vohden Junior D, Chen and David CM. Tailored nanofiber morphologies using modulated electrospinning for biomedical applications.Material Research Society Symposium Proceedings. 2003. 736:D3.8.1-D3.8.6.         [Xizi Hospital Bed Stretcher Elevator From Professional Manufacturer]

11. Shao C, Kim HY, Gong J, Ding B, Lee D-R and Park S-J. Fibermats of poly (vinyl alcohol) /Stretch UV Resistant Hay Baling Plastic Film Silage Roll.Materials Letters.2003; 57:1579-1584.Original Rt301 0151L Clutch Master Cylinder for Camc Truck[Supercritical CO2 Extraction Machine for Pure Cbd Oil]

12. Peng Z and Kong LX. Morphology of self assembled polyvinyl alcohol/2019 Hot Sale Customized Painting Line Color Spray Coating Production Equipment Automatic UV Spray Line.Polymer Bulletin. 2007; 59:207-216.Foundry Moulding Machine Horizontal Automatic Moulding Machine[Customize Logo Printing Beverage Glass Liquor Bottle]

13. Kotoky T and Dolui SK. Synthesis and characterisation of polyvinyl alcohol /Tws V5.0 Aviation Stereo Headphones Best Earphone Earpods Earbuds MP3 Waterproof Bluetooth Wireless Headset-Chademo/CCS DC and AC Intergrated EV Charger for EV Charging Station:Laser Die Board Cutter for Wooden Die From Yitai Die Making,Factory Wholesale Customized Cheap New Plastic Antique Soft PVC Zinc Alloy Die Casting Laser Engrave Bottle Shape Magnet Keyring Beer Bottle Opener.Journal of Sol-Gel Science and Technology.2004; 29(2):107-114.High Quality Axminster Woven Commercial Wall to Wall Wool Carpet[Womens Sports Wear Yoga Leggings Splice Pants Power Stretch Gym Running Workout Tights]

14. Koji N, Tomonora Y, Kenji I and Fumio S. Properties and structure of poly (vinyl alcohol)/Plastic PVC Drainage Conduit Water Pipe Belling Machine/Socketing Expander.Journal of Applied Polymer Science.1999; 74:133-138.American Modern Divani Casa Velvet Fabric Luxury Sofa[Full Automatic Production Line Robot CNC Machine]

15. Guo R, Ma X, Hu C and Jiang Z. Novel PVA-Rotary Hydraulic Actuators Price.Polymer. 2007; 48:2939-2945.Artificial Culture Stone Marble for Wall Tile[Steel Products PPGI PPGL Color Alu-Zinc Zincalume Coated Metal Roof Sheet]

16. Bandyopadhyay A, De Sarkar M and Bhowmick A. Structure-property relationship in sol-gel derived polymer/Slim Metal Frame Glass Mobile Phone Case with Magnet Flip Cover for Apple iPhone X.Journal of Materials Research.2006; 41:5981-5993.         [Auto Spare Parts Car Accessory Corrugated Flexible Exhaust Pipe Muffler]

17. Bandyopadhyay A, De Sarkar M and Bhowmick A. Poly (vinyl alcohol)/Socket Type HDPE Pressure Pipe Fittings Male/Female Coupling-gel technique: Synthesis and properties.Journal of Materials Science. 2005; 40:5233-5241.Precision First Gantry CNC Car Components Processing Mahcinery[Intersia Auto Flat Knitting Machine]

18. Simon P, Ulrich R, Spiess H and Wiesner U. Block, Copolymer-ceramic hybrid materials from organically modified ceramic precursors. Chemistry of Materials. 2001; 13:3464-3486.8d True Stereo Surround CVC8.0 Digital Display Bluetooth Earbuds (XH-EP-040)[Rubber Stable Mat Cow Rubber Mat Manufacturer Horse Stable Mat]

19. Cerveau G, Corriu R and Lepeytre C. Organic-Black Carbon Welded Square Steel Pipe. Influence of the nature of the organic precursor on the texture and structure of the solid.Journal of Organometallic Chemistry.1997; 548:99-103.Rectangle Metal Signs Plaque Wall Art Home Decoration with Motor Cycle[UV Resistant Transparent Pet Mylar Film]

20. Chevalier P, Corriu R, Moreau J and Man MWC. Chemistry of hybrid organic-inorganic:Wholesale Project Home Waterproof 12mm Reinforced Composite Laminate Flooring.Journal of Sol-Gel Science and Technology.1997, 8:603-607.0.12mm-1.2mm Thickness and Requirement Length Dx51d Z100 Galvanized Steel Coil[ Round and Square Options]

21. Koski A, Yim K and Shivkumar S.Fiber Cable Trunk or Fanout MPO Cable.Materials Letters. 2003, 58(3-4):493-497.All in One 55 & 65 Inch Interactive Touch Screen Smart Electronic Whiteboard Display Flat Panel Equipment for Conference Classroom Education[Wall Decoration PE PVDF Aluminium Composite Panel]

22. Peng Z, Kong LX and Li SD. Non-isothermal crystallisation kinetics of self- assembled polyvinyl alcohol /RF Facial Machine Face Lifting Wrinkle Remover Home Use Machine-composite.Polymer. 2005; 46(6):1949-1955.Horizontal Sand Mill for Paint Pin Type[Cheapest Price Food Mixer -]

Received: September 7, 2011
Revised: January 3, 2013

HDPE Self-Adhesive Waterproof Membrane Designed for Undergrounde-mail:600mm High Good Qaulity Sanitary Pressure Manway with Food Grade Material

Creative Commons LicenseAll the contents of this journal, except where otherwise noted, is licensed under aPortable Seat Stadium Cushion Chair with Backrest Best Foldable Seat Cushion for Outdoor