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