crutch [countable]
1 [usually plural]  one of a pair of long sticks that you put under your arms to help you walk when you have hurt your leg
on crutches (=use crutches)
     I was on crutches for three months after the operation.
2 something that gives someone support or help, especially something that is not really good for them:
     As things got worse at work, he began to use alcohol as a crutch.
3 British English the part of your body between the tops of your legs [= crotch]

 masking tape [uncountable]
long narrow paper that is sticky on one side, used especially to protect the edge of an area which you are painting

 medal [countable]
a flat piece of metal, usually shaped like a coin, that is given to someone who has won a competition or who has done something brave
gold/silver/bronze medal
     the bronze medal winner
     The two boys were  awarded medals  for their bravery.

 mask [countable]
 something that covers all or part of your face, to protect or to hide it:
a surgical face mask
    He was attacked and robbed by two people wearing masks.