When you have a chance to do something, do it before you lose the chance to.
Ex. This the only day this store is having a deal. Strike the iron while it's hot.
D. Use, Many players on the baseball team use aluminum bats.
Social worker: people
air traffic controller: data
butcher: things
counselor: people
doctor: people
mechanic: things
model: people
welder: things
teacher: people
writer: things
