Dareemka cadaadiska saliidda waa qayb muhiim ah oo ka mid ah engine, loo isticmaalo cabbirka cadaadiska iyo xakamaynta , Waxaa si weyn loo isticmaalaa in tuubooyinka engine kala duwan ee baabuurta iyo maraakiibta, mashaariicda biyaha, kormeerka iyo xakamaynta hababka rial warshadaha, Haydarooliga iyo pneumatic mashruuca gacanta ku s, iwm.