- Multi-functional - haum rau chav ua noj ntxhua khaub ncaws ntxhua khaub ncaws ntxhua khaub ncaws hauv tsev tu vaj tu plaub hau, ntxuav tais diav, ua haujlwm hauv tsev txhua hnub, kev tu tsiaj, ntxuav tsheb, ntxuav qhov rais, ntxuav hauv tsev noj qab haus huv lossis ua vaj ua haujlwm, tiv thaiv tes ntawm daim tawv nqaij tiv thaiv cov kua dej corrosive.