There are all kinds of waste that can be turned into something useful. For example, with a little imagination, old tires can be used to make an ottoman.
Something that you dont want (waste) that can be recycled.
Actually it does.
There are many characteristics that can be seen of useful information. Useful information is something that is helpful or relevant.
Engineering uses scientific knowledge to create something useful, or improve some process. Improvements could be a variety of factors, such as speed, efficiency, or cost, to name a few.
It depends on the efficiency of the machine. No machine is perfect and there are always losses and waste. Usually the losses are a greater percentage than the useful energy.
Reuse that product and turn it into something that can help the environment.
Methane can be used to create energy
how biodegradable waste useful to us
mader chod
Food waste can create electricity.
the waste has nutrients in it that help the plant
Maybe tissue box or toilet roll? You can use it to make into a robot or something. It could be decorative.
Waste energy
yes, mountains create waste. The unusefull left over small rocks.
Waste energy.
Waste energy.
Biodegradable waste is more useful because it degrades. It breaks down into nutrients and organic material that is useful, like compost.