piav qhia luv luv:

H acid yog tshuaj lom neeg cov khoom siv feem ntau siv los ua cov tshuaj acidic, ncaj qha thiab nti xim.
Xws li Acid Fuchsin 6B, Acid Scarlet G, Acid Dub 10B, Ncaj Qho Dub, Rov Qab Ci Liab K-2BP, Reactive Violet K-3R, Reactive Blue KR thiab ntau dua 90 yam,
Cov dyes no tau siv rau dyeing woolen thiab paj rwb ntaub.
Nws kuj tseem siv tau los ua tshuaj yaj yeeb.