Cov khoom no tsis yog yooj yim los tsim pwm thaum lub sij hawm cia nyob rau hauv rainy hnub.Tus kov tsim ua raws li tus menyuam lub tes tuav, pab tus menyuam kawm noj ntawm nws tus kheej.Cov khoom no yog resistant rau ntog, yooj yim los ntxuav, siab kub thiab cov kab mob tshem tawm, thiab yog yooj yim mus nqa ib tug me nyuam tableware, haum rau cov me nyuam mos thiab cov me nyuam.