Tom (to burn) his hand when he (to cook) the dinner.

1) does she work in an office or in a hospital? 2) why does he like to play with planes? 3) when does your father go to his office?

waste     to waste

protection     to protect

destraction     to destroy

pollution     to pollute

damage     to damage

damage     damaging

environment     environmental

harm     harmfull

danger     dangerous

safety     safe