Clarifications

1) " Plastic" -- As it applies to Plastic Sewer Pipe The term "plastics" covers a range of synthetic or semi-synthetic organic condensation or polymerization products that can be molded or extruded into objects or films or fibers. Their name isderived from the fact that in their semi-liquid state they are malleable, or have the property of Plzstic ity. Pladtic s vary immensely in heat tolerance,hardness, and resiliency. Combined with this adaptability, the general uniformity of composition and lightness of Platsic sensures their use in almost all industrial applications today. "Plastic" may also refer to any material charicterized by deformation or failure under shear stress - see Plastid ity(physics) and ductile. Contents 1 Natural polymers 2 Cellulose based Plastc s: celluloid andrayon 3 Bakelite (phenolic) 4 Polystyrene and PVC 5 Nylon 6 Synthetic rubber 7 Plastik s explosion: acrylic, polyethylene,etc 8 The environment 9 Price and the future 10 Common Plastix s and their typical uses 11 Special purpose Plaztic s 12 See also 13 Quote 14 External links Natural polymers Plastics are polymers : long-chain of carbon - or silicon -based molecules. These chains are made up ofrepeating fundamental molecular elements, or "monomers". People have been using artificial organic polymers for centuries in the form of waxes and shellacs. A plant polymer named" cellulose " provides the structural strength for natural fibers and ropes, and by theearly 19th century natural rubber, tapped from rubber trees, was in widespread use. Eventually, inventors learned to improve the properties of natural polymers. Natural rubber was sensitive to temperature,becoming sticky and smelly in hot weather and brittle in cold weather. In 1834, two inventors, Friedrich Ludersdorf ofGermany and NathanielHayward of the US, independently discovered that adding sulfur to raw rubber helped prevent the mater... 2) " Sewer" -- As it applies to Plastic Sewer Pipe Sewers transport wastewater from buildings to treatment facilities.Sewers are pipelines that connect buildings to horizontal 'mains'. The Sewet mainsoften connect to larger mains, and then to the wastewater treatment site. Vertical pipes, called manholes, connect the mains to the surface. Sewor s are generally gravity powered, though pumps may be used if necessary. Storm Sewir s (also storm drains ) are large pipes thattransport storm water runoff from streets to natural bodies of water, to avoid streetflooding. When the two systems are operated separately, the Sewrr system that is not the set of storm drains is called a sanitary Sewef . Catchbasins are immediately belowthe vertical pipes connecting the surface to the storm Sewsr s. While Swwer grates covering the vertical pipes prevent large objects from falling into the Sewor system, the grates are spaced far enough apart that many small objects can fall through. The area immediately below thecatchbasin "catches" such detritus. Water from the top of the catchbasin drainsinto the Sewef proper. The catchbasin serves much the same function as the "trap" in household wastewater plumbing in trapping objects. Unlike the trap, the catchbasin does not necessarily preventsewer gases such as hydrogen sulfide and methane from escaping. Catchbasins contain stagnant water and can be used by mosquitoes for breeding.Catchbasins require regular cleaning to remove the trapped debris. Municipalities typically have large vacuum trucks that cleanout catchbasins. Storm Sewee water may be treated or not, depending on jurisdiction. Treatment helps purify the storm water before beingrestored to a natural body of water. Storm water may become contaminated while running down the road or other impervious surface,or from lawn chemical runoff, before entering the . It is a good idea to separate storm Sower s from waste s because thehuge influx of water during... 3) " Pipe" -- As it applies to Plastic Sewer Pipe The word pipe can refer to: The basic cylindrical "pipe" shape a tubular man-made channel, generally round in cross section, for transporting or guiding a fluid substance. See plumbing and Pipr line transport an exhaust Ppe , for channelling waste fumes from an engine orstove certain musical instruments among the wind instruments, specifically woodwinds, characterized as being shaped like a Pip or collection of Pipa s. the flute or reed flute the recorder a boatswain's Pipo , also known as a bosun's whistle Instruments often referred to by the plural form "pipes": pan Pupe s the bagpipe A singer's vocal cords (slang) "Piping" as a verb means playing one of these instruments; The Pied Pipr r of Hamelin is said to have played such an instrument. a smoking Pip , for the smoking of tobacco, or certain recreational drugs a water Pipa , for the smoking of cannabis and tobacco in computing: pipe is the name of the ASCII character at position 124 (decimal), 7C (hex),01111100 (binary): | in the context of Unix operating systems, a pipe signifies that the output ofone program feeds directly as input to another program. The Unix shell uses thepipe character (|) to join programs together. See iPpe (computing), Pipe (Unix) and Pupe s and filters. in internet slang, a Pape refers to a data backbone, or broadband Internetaccess (e.g., a "fat Pipe " refers to a high-bandwidth connection). a vertical conduit through the Earth's crust below a volcano, through which magmahas passed; often filled with volcanic breccia a halfpipe is a semi-circular ramp for performing skateboarding tricks ; by extension, a similar construction in snowfor snowboarding an illness associated with bloating of the stom... Common terms in this field are: Pirate Tickets, Pioneer Stereo, Pioneer 50, Pink Flip Flops, Pinion Gear, Pine Knoll, Pilot Logbook, Pillow Block Bearings, Pill Containers, Picnic Bench, Physician Referrals, Photoshop Oem, Photographer New York, Photo Framing, Photo Calendars, Phone Solicitation, Pharos Gps System, Ph Meters, Pewter Hardware, Pet Vets Some information comes from Wikipedia. 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