1. Ukusebenza kahle kokugcina umbala, i-solvent ku-varnish ayikwazi ukubangela ukuthi inkino yopha noma iphele, futhi kufanele ibe nobulukhuni obanele nokuqina ukuze imelane nokuguqulwa kokucubungula kwenqubo elandelayo;
2. Ukuze kuthuthukiswe ukusebenza kahle kokukhiqiza nokulondoloza amandla, ngokuvamile inqubo yokugcina yokunyathelisa ihlanganiswa nenqubo yokuvanisha;
3. Ama-varnish amathini ekhofi anezingxenye ezihlukene, ukusebenza okuhlukene, nokusetshenziswa okuhlukile. Ngokuvamile, izinhlobo ezahlukene ze-varnish kufanele zikhethwe ngokuvumelana nezimo ezithile;
4. Ukwelashwa kwe-varnish kungenza ubuso be-powder yobisi bube buthuntu, ngokuthungwa kwephepha kanye nomphumela omuhle wokuhlobisa. Ibhekwa ngama-engeli ahlukene, inenani eliphezulu kakhulu lokwazisa kwezobuciko.