How can wind help humans?
Wind helps cool the planet and can provide energy when harnessed correctly through the use of wind turbines.
Washing machines help humans by making it easier for humans to wash their clothing. Washing machines have special instructions on how to install and use them. Basically, they make humans' life a lot easier. But, it also uses electricity, which does not help humans. The pollution from the washing machines' electricity makes humans' life harder.