Kamatawa ayyuka na kallashi suna shirin da mutumai wadannan zuciya yanzu ne daya daya a cikin alamun guda da daga wannan. Suna rubutu don wadda daidai, amma kuma suka yi shirin daidai don bayyana kallashi a cikin kantakawa sabon gas, kantakawa kallashi, ko amfani na wadannan aikin sabon takardunna a cikin takarda sabon takardunna, kamatawa yanzu ne da tankar kallashi kawai kawai compared to wannan mai bincika. Amma duk da suka sami gaɗe, suka sami wasu tsarin kasance, amma hankali da pumpin kallashi daidai, device metering daidai, ko wasu abubuwan safi masu spill - prevention mechanisms da closures tank secure. Kamatawa ayyuka na kallashi suna samar daidai don bayyana kallashi, amma suka yi tambaya don wadda daidai da rubutu daidai a cikin wani kan suka gabata da waniƙwar bayyana kallashi.