Qoto dheer ee calamaynta qoto dheer waa qoto dheer , sida caadiga ah waxay gaari kartaa ilaa 1mm , ka dib marka ay rinjiyayso xarafka , kaas oo hubin kara in xarafka uu si cad u yahay sidoo kale.
In lagu dabaqo Automobile, shaqada jirka ee mootada, jir baabuurka, chassis baabuurta, mishiinka, qaybta makaanikada, qalabka mashiinka, tuubada birta, gear, jidhka bamka, waalka, alaabada caagagga adag ee kala duwan, qayb hardware, Aeronautics, Electronics, dagaalka iyo warshadaha iftiinka calaamadaynta birta, birta, naxaasta, aluminium iyo qaybaha balaastiga iyo calaamadaynta qaybaha baabuurta.