An manta da mahimmancin masana'antu ko dai tare da cimple ko tare da guduma ta hanyar da aka yiwa iska, wutar lantarki, hydraulics ko tururi. Wadannan hemmers na iya samun nauyin nauyi a cikin dubunnan fam. Karamin wutar lantarki na Hammers, 500 LB (230 kg) ko lessasa da sayo nauyi, da kuma hydraulc combes abu ne na yau da kullun a cikin m smith. Wasu Stow Ste Steam ya ci gaba da amfani da su, amma sun fizilin tare da kasancewar ɗayan, mafi dacewa, tushen wutar.