|
Water and compressor oil.
|
|
|
Frost.
|
|
|
Gravel.
|
|
|
Antifreeze.
|
4/50.
4.
The air entering air storage tanks may contain:
Answer correctly : 0 | Wrong : 0
Answer Sheet :
Refresh
Refresh this page and redo the question
Restart
Restart this set of tests