I.Kwatanci
Majinan kimiyyar launi, ya dace da duk masana'antu da aikace-aikace inda ake buƙatar kula da daidaitattun launuka da kayan abinci, kayan abinci, kayan ado, kayan ado, kayan ado, inks da rubutu .
Tunda tushe na haske daban yana da ƙarfi mai ƙarfi daban-daban, lokacin da suka isa farfajiya daban-daban, lokacin da Checkher ya kwatanta yanayin launi a cikin samfura da misalai, amma akwai bambance bambance Tsakanin tushen da ake amfani da shi anan da kuma hasken hoto amfani da abokin ciniki. A irin wannan yanayin, launi a ƙarƙashin asalin haske ya bambanta. Kullum yana kawo al'amura masu zuwa: Abokin ciniki ya sa korafi don bambancin launi har ma yana buƙatar don kin amincewa da kaya, mummunan lalata bashi.
Don warware matsalar da ta gabata, hanya mafi inganci ita ce duba launi mai kyau a ƙarƙashin tushen hasken rana .for misali, tushen hasken rana don duba kayan launi.
Yana da muhimmanci sosai a yi amfani da daidaitaccen tushen haske ga bambancin launi na Chenk a cikin aikin dare.
Bayan D65 hasken wutar lantarki, TL84, CWF, UV, da FOXSS suna samuwa a cikin wannan ƙa'idodin majalissar don tasirin heparsism.
