Alloy tube ne zuwa kashi sumul tube tsarin da high matsa lamba zafi resistant gami tube.Ya bambanta da ma'aunin samar da bututun gami da masana'anta.An goge bututun gami kuma an daidaita shi don canza kayan aikin injin sa.Ayyukansa fiye da ƙimar amfani da bututu maras sumul gabaɗaya ya fi girma, juriya mai zafi, ƙarancin zafin jiki, juriya na lalata.