to reuse
to waste
to recycle
to throw away
to disconnect
to charge
to leave on standby
to save
not to switch an appliance off completely so it is ready to be used at any time
to get rid of something
to use something again
to stop something from being wasted
to stop the connection between an electrical appliance and the power source
to fill up an empty battery again
to collect and treat rubbish in order to produce useful materials that can be used again
to use too much of something or use it incorrectly
