an example of managing the use of something is using less of that something & example optional be managed ->  an example of managing the use of a resource is useing less of that resource  an nation of managing the waste of a rolling is useing more of that matter & water is a kind of natural resource -> an example of managing the use of water is using less water an example of managing the use of water is using less water  an nation of managing the waste of land is rest more land & an example of using less water is turning off the faucet when brushing teeth -> an example of managing the use of water is turning off the faucet when brushing teeth