What is the use of plastics (write 3 articles)

Plastics have been widely used in agriculture, industry, architecture, packaging, cutting-edge national defense industry and people's daily life.

Agriculture: A lot of plastics are used to make plastic films, seedling films, greenhouse films, irrigation and drainage pipes, fishing nets, breeding floats and so on.

Industry: Plastic is widely used in electrical and electrical industries to make insulation materials and packaging materials; In the mechanical industry, transmission gears, bearings, bearing shells and many parts are made of plastic instead of metal products; In the chemical industry, plastics are used as pipes, containers and other anticorrosion materials; In the construction industry, it is used as doors and windows, stair handrails, floor tiles, ceilings, heat insulation and sound insulation boards, wallpaper, falling pipe fittings and pit pipes, decorative boards, sanitary wares, etc.

In the national defense industry and cutting-edge technology, plastics are indispensable materials for conventional weapons, airplanes, warships, rockets, missiles, artificial satellites, spacecraft and atomic energy industries.

In people's daily life, plastics are widely used, such as plastic sandals, slippers, raincoats, handbags, children's toys, toothbrushes, soap boxes, thermos shells and so on. At present, it has been widely used in various household appliances, such as TV sets, tape recorders, electric fans, washing machines, refrigerators and so on.

As a new packaging material, plastic has been widely used in the packaging field, such as various hollow containers, injection containers (turnover boxes, containers, barrels, etc. ), packaging film, woven bag, corrugated box, foam plastic, binding rope, bandage, etc.