1) tractor _________
unit
2) is a semi-_____________
trailer
3) is __________ compartment
engine
4) is......
sleeper
air dam
fuel tank
cabin
5) sl_____
sleeper
6) air _______
dam
7) fuel _______
tanks
8) fifth - _________ coupling
wheel
9) enclosed ______ space
cargo
10) landing gear are....
for driving in the sky
going slower
where you put the fuel
legs for when semi-trailer is detached
11) __________ axles
tandem
