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"Classification and Recycling" Environment and Us PPT Courseware
For some wastes in life, we can recycle them from garbage and reprocess them. Doing so will not only reduce the amount of garbage, but also save a lot of natural resources.
What kind of waste can be recycled?
How to recycle them?
Recyclable waste
Research nearby recycling depots or ask recycling workers what they recycle?
What are these items used for after recycling?
Sorting and packaging of garbage
The recycling of garbage requires the classification and concentration of usable materials. To recycle effectively, we must change the old habit of mixing garbage and classify and package domestic waste. This is the obligation of every citizen.
At home, do we separate the garbage?
Investigate the classification requirements for domestic waste. How many categories are they generally divided into?
What waste does each category contain?
What kind of recycling bin should be put in?
Food waste, weeds, fallen leaves, etc. are mixed into the sewage, piled up, and covered with a layer of soil. The decomposition time generally takes 1 to 3 months. The decomposed garbage can be used as base fertilizer.
Sorting and packaging garbage is not difficult!
As long as we all participate and develop good habits, the environment around us will definitely become cleaner and more beautiful.
My design plan
Composting does not require a large area. If you are just dealing with fallen leaves, one square meter will be enough. Select a corner, dig a shallow pit first, and set the excavated soil aside for later use. Place a compost box on the pit, and add organic matter such as fallen leaves, layer by layer, and layer by layer of soil. Sprinkle some water to keep it moist to facilitate fermentation and ripening. During this process, the compost will settle due to decay and shrink in volume. After half a year, there will be a box of good fat.
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"Classification and Recycling" Environment and Us PPT download:
"Classification and Recycling" Environment and Us PPT Download Part One: Introduction of New Lessons For some wastes in life, we can recycle them from garbage and reprocess them. Doing this will not only reduce the amount of garbage, but also save a lot of...
"Classification and Recycling" Environment and Us PPT:
"Classification and Recycling" Environment and Us PPT Part One: Recyclable Waste Investigate nearby waste recycling stations or ask waste recycling workers, what do they recycle? What are these items used for after recycling? Plastic can be melted and formed multiple times,...
"Classification and Recycling" Environment and Us PPT Courseware 4:
"Classification and Recycling" Environment and Us PPT Courseware 4 The natural environment is a necessary condition for human survival. However, while human beings are developing themselves at a high speed, they are also destroying their own living environment. Nowadays we are facing the serious threats of environmental pollution and ecological imbalance...