What does the trailer air supply control do?
a) By pushing it in, you supply the tires with air
b) By pushing it in, you supply the trailer with air
c) By pulling it out, you remove air from overinflated tires
d) By pulling it out, you supply the trailer with air
Answer: b) By pushing it in, you supply the trailer with air
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.