Themashiinka isku dhafka ah ee laastikada otomaatiga ahwaa qalab si toos ah u quudin kara, jari kara oo toli kara xargaha caagga ah.Waxa loo isticmaali karaa tolidda hal mar ah iyo tolidda xargaha caagga ah.Mashiinka isku dhafka laastikada ah ee tooska ahwaxay qabataa isha elektarooniga ah halkii ay ka ahaan lahayd isha bini'aadamka si ay u aqoonsato xarfaha, taas oo xaqiijin karta kala qaybinta tooska ah, jarista iyo ururinta agabka si sax ah oo hufan, iyo xaqiijinta awooda wax soo saarka sare.
Halkii indhaha aadanaha, isha elektarooniga ah ee caqliga leh eemashiinka isku dhafka ah ee laastikada otomaatiga ahaqoonsan karaa calaamada band caagga ah iyo booska xarafka, oo si sax ah u toosi.Goynta tooska ah ee xawaaraha sare leh, tolida, tolida irbado badan iyo helitaan toos ah ayaa la dhammeeyaa hal mar si loo gaaro awood wax soo saar sare leh.