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The biggest garbage classification in Japan is combustible, nonflammable, resourceful, coarse and harmful. These categories are subdivided into several subprojects, and each subproject can be subdivided into subprojects, and so on.

1. Flammable: In short, it is flammable (excluding plastic and rubber fragments). Leftovers and some combustible domestic garbage belong to combustible garbage.

2. Resources: newspapers, books, plastic beverage bottles and glass beverage bottles.

3. Non-combustible: waste small household appliances (electric kettle, tape recorder), clothes, toys, ceramic products and iron containers.

4. Wool: large furniture, large electrical appliances (TV sets, air conditioners) and bicycles.

5. Harmful substances: batteries, medical wastes and substances harmful to human health.

Extended data:

Generally, garbage is divided into recyclable and non-recyclable categories.

1. Recyclable garbage mainly includes waste paper, plastic, glass, metal and cloth.

1, waste paper: mainly including newspapers, periodicals, books, all kinds of wrapping paper, etc. However, it should be noted that paper towels and toilet paper are too water-soluble to be recycled.

2. Plastics: all kinds of plastic bags, plastic foams, plastic packaging, disposable plastic lunch boxes and tableware, hard plastics, plastic toothbrushes, plastic cups, mineral water bottles, etc.

3. Glass: mainly includes various glass bottles, broken glass pieces, mirrors, thermos bottles, etc.

4. Metal objects: mainly include cans and cans.

5. Cloth: mainly includes discarded clothes, tablecloths, washcloths, schoolbags, shoes, etc.

2. Unrecoverable garbage mainly includes seven categories: kitchen waste, toilet paper, kitchen waste bagging, fruit shell, dust, toxic harmful waste and other garbage.

1, kitchen waste: including food waste such as leftovers, bones, roots, leaves and peels. After in-situ treatment of compost by biotechnology, 0.6~0.7 tons of organic fertilizer can be produced per ton.

2. Toilet paper: Toilet paper and toilet paper are both soluble in water, not recyclable "paper", and there are similar cigarette cases.

3. Bagging kitchen waste: Ordinary plastic bags, even though degradable, are far more difficult to corrode than kitchen waste. In addition, plastic bags themselves are recyclable garbage. The correct way is to dump kitchen waste into the trash can and throw plastic bags into the "recyclable garbage" bucket.

4. Shells: In garbage classification, the logo of "shell and melon skin" means that peanut shells really belong to kitchen waste. Waste cooking oil left at home is also classified as "kitchen waste".

5. Dust: In garbage classification, dust belongs to "other garbage", but litter belongs to "kitchen waste", including flowers that have failed at home.

6. Toxic and hazardous waste: waste containing heavy metals, toxic substances harmful to human health or causing actual or potential harm to the environment. Including batteries, fluorescent tubes, light bulbs, mercury thermometers, paint buckets, some household appliances, expired drugs, expired cosmetics and so on. These wastes are usually recycled or landfilled separately.

7. Other garbage: including bricks and tiles, muck, toilet waste paper, paper towels and other wastes, shells, dust and food bags (boxes) that are difficult to recycle. Sanitary landfill can effectively reduce the pollution of groundwater, surface water, soil and air. Big bones are classified as "other garbage" because they are "hard to corrode". Corn kernels, nut shells, nuts and chicken bones are all kitchen waste.

Baidu encyclopedia-garbage classification