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709200

{"replyTo":"

743552 发表于 2019-07-11 02:08:24 I've only used it once, when I took my CDL exam. They made a big deal about testing the brakes and I got a lecture because I applied the trailer brake after only  5 feet and not 10-15...  

","text":"You have to check if working or not if break failed on the truck you have this ","replyToPid":143664}

649058

{"replyTo":"","text":"DER DER thats why im asking about the mechanics here! if they didn’t show it in trucking class, how else am i suppose to learn what it does? common sense: if you dont know about something, ASK. I’m not one of those girls that wont say anything. I’m still 6months new and still learning ","replyToPid":0}