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Question:
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.Federal safety regulations on buses and cars required parking and emergency brakes that do not rely on compressed air or hydraulic fluid (because these can leak away). As a result, the parking and emergency brakes employ mechanical force, such as springs.
Comments
Alkam 2126
4 years ago
It a great app to study for your CDL tests
Cbow33
4 years ago
Great app
Livvy2u
4 years ago
Mom