Is there a difference between a manual and an .Deze pagina vertalen
But all friction (like grinding) produces heat, so some amount is par for the course. – luser droog Jul 26 '15 at 2:22 Yes I mean the hand-crank with manual. Well yes there is heat but I think it may differ if I use a hand-crank I'm not quite as fast as if I'm using a automatic .
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