Talk:Conveyors/@comment-28945784-20160710201805/@comment-28779045-20160710202120

how do we know that they are ALL TILTED?? HMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM????????????????????