Hais txog kev muag khoom hauv lub quarter thib 1 ntawm 2019
Kev muag khoom hauv tsev: 55%
Kev muag khoom thoob ntiaj teb: 45%
Nce: 20%
Qhov tseem ceeb: calcium chloride desiccant, thawv desiccant, zaub mov desiccant, hnab deodorant
Lub teb chaws tseem ceeb: Bangladesh, Nyab Laj, Singapore, Nethlerlands, Lub Tebchaws Yelemees, Tebchaws USA, Chile, thiab lwm yam
