polyvinyl-chloride plastic
81Spud gun (cannon) — This article is about pipe based cannons and similar which use air pressure, or combustion of a gaseous fuel, or both, to launch large projectiles at low speed. They are in two types: * To fire whole potatoes. These launchers are built and fired… …
82Asthma — For other uses, see Asthma (disambiguation). Asthma Classification and external resources Peak flow meters are used to measure one s peak expiratory flow rate ICD 10 …
83List of environmental topics (P) — This is a list of environmental topics. They relate to the effect of human activity on the environment.P*Pacific Marine Environmental Laboratory (PMEL) *(paleowater) fossil water *Palestinian Environmental NGOs Network *(paper pulp: see) pulpwood …
84Blue Vinyl — is a 2002 documentary film directed by Daniel B. Gold and Judith Helfand. With a lighthearted tone, the film follows one woman s quest for an environmentally sound cladding for her parents house in Merrick, Long Island, New York. It also… …
85Double-walled pipe — A double walled pipe is a secondary contained piping system. It is a pipe within a pipe, or encased in an outer covering, with an annulus (interstitial space) between the two diameters. The inner pipe is the primary or carrier pipe and the outer… …
86Polypropylene — Chembox new Name = Polypropylene ImageFile = Polypropylen.svg ImageSize = 100px ImageName = Polypropylene IUPACName = poly(propene) OtherNames = Polypropylene; Polypropene; Polipropene 25 [USAN] ;Propene polymers; Propylene polymers; 1 Propene… …
87List of glues — See adhesive for general discussion of glue. This is a list of various types of glue. Historically, the term glue only referred to protein colloids prepared from animal flesh. The meaning has been extended to refer to any fluid adhesive.There are …
88Materials science — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Materials science is an interdisciplinary field applying the properties of matter to various areas of… …
89Football (ball) — A football is an inflated ball used to play one of the various sports known as football. The first balls were made of natural materials, such as an inflated pig baldder, sometimes inside a leather cover. (This has given rise to the US slang term… …
90Modified atmosphere — Testing the atmosphere in a plastic bag of carrots Modified atmosphere is the practice of modifying the composition of the internal atmosphere of a package (commonly food packages, drugs, etc) in order to improve the shelf life. The modification… …
