Lokacin da mai kwafin ya duba ainihin, ƙarfin ƙarfin hasken da fitilar hasashe zai haifar zai lalata idanu zuwa wani matsayi. Bayyanar dogon lokaci ga wannan haske mai ƙarfi zai haifar da asarar gani. Dole ne a tabbatar da cewa an sanya na'urar a cikin daki mai kyau, kuma a raba wurin kwafin daga sauran wuraren aiki. Don tsaftace masu kwafi mai sauri akai-akai, cire kwandon tawada na sharar gida a hankali. Masu aiki su sanya abin rufe fuska na kura. Don hana abubuwa masu guba a cikin arha toner da kwafin takarda daga shakar da jikin ɗan adam a cikin iska da yawa.

A cikin aiwatar da kwafin aikin, tabbatar da rufe baffle a sama, kar a buɗe baffle don kwafa, don rage fushin idanu zuwa haske mai ƙarfi. Kyakkyawan toner mai sauri mai sauri: Toner kuma ana kiransa toner saboda babban sashinsa shine carbon. Ana samar da nau'ikan nau'ikan toners tare da finesse daban-daban. Kyakkyawan toner yana rinjayar launi na rubutun da aka buga. Launi mai duhu sosai na iya haifar da ɓacin rai da ruɗani. An ƙididdige ƙimar baƙar fata na toner a cikin matakai masu kyau. Toners gabaɗaya suna da matsakaicin ƙimar baƙar fata kusan 1.45 zuwa 1.50. Gabaɗaya ana la'akari da cewa mafi girman baƙar fata na toner, mafi kyawun toner.
Toner ya kasu kashi biyu na toner da toner wanda ba na maganadisu ba, kuma adadin abun da ke tattare da toner da aka yi amfani da shi a cikin kowane nau'in injin ya bambanta. Babu bambanci tsakanin yawancin ton na kwalabe da manyan toners, kuma nau'in toner na maganadisu ɗaya kawai ake amfani dashi. Lokacin da aka yi amfani da toner mara kyau ko ƙananan toner, ba kawai cutarwa ga jikin ɗan adam ba ne da muhalli ba, har ma yana lalata na'urar kuma yana shafar na'urar bugawa. rayuwa.