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UCS Spirit is a company based in Minden, Nevada that specializes in track and field equipment. [2] They are best known for their fiberglass pole vaulting poles. UCS Spirit also sells other track equipment like throwing implements, hurdles, and landing mats. [3] The production and sale of track equipment began in 1987.
Awnings were first used by the ancient Egyptian and Syrian civilizations. They are described as "woven mats" that shaded market stalls and homes. A Roman poet Lucretius, in 50 BC, said "Linen-awning, stretched, over mighty theatres, gives forth at times, a cracking roar, when much 'tis beaten about, betwixt the poles and cross-beams".
The term "marine canvas" is also used more narrowly to refer specially to boat cover products. When referring to materials "marine canvas" is a catch–all phrase that covers hundreds of materials, for instance: acrylics, PVC coated polyester, silicone treated substrates and many coated meshes suitable for outdoor use.
Sliding glass door frames are often made from wood, aluminum, stainless steel, or steel, which also have the most strength. The most common material is PVC plastic. Replacement parts are most commonly needed for the moving-sliding parts of the door, such as the steel rollers that glide within the track and the locking mechanisms.
Some sliding doors run on a wall-mounted rail, like this one Sliding doors in a modern wardrobe. The 'top-hung' system is most often used. The door is hung by two trolley hangers at the top of the door running in a concealed track; all the weight is taken by the hangers, making the door easier to move.
An improvised tent using polytarp as a fly Abandoned homeless shelter using plastic tarp. A tarpaulin (/ t ɑːr ˈ p ɔː l ɪ n / tar-PAW-lin, [1] also US: / ˈ t ɑːr p ə l ɪ n / [2]) or tarp is a large sheet of strong, flexible, water-resistant or waterproof material, often cloth such as canvas or polyester coated with polyurethane, or made of plastics such as polyethylene.
Continuous track or tracked treads are a system of vehicle propulsion used in tracked vehicles, running on a continuous band of treads or track plates driven by two or more wheels. The large surface area of the tracks distributes the weight of the vehicle better than steel or rubber tyres on an equivalent vehicle, enabling continuous tracked ...
Track technology is an industrial material handling system which uses linear motors to move material along a track. It has been variously termed a smart conveyance system, intelligent track system, industrial transport system, independent cart technology, smart carriage technology, linear or extended or flexible transport system, or simply a conveyor or conveyance platform [citation needed].