ʻO nā mea maka o nā kāleka hōʻike antigen COVID-19 he mau mea polymer e like me PVC, PP, ABS, a me HIPS. Hiki i ka mīkini mākaʻikaʻi ʻo UV ke hōʻailona i nā ʻano kikokikona, nā hōʻailona, a me nā hiʻohiʻona ma ka ʻili o nā pahu ʻike antigen a me nā kāleka. Kōkua ʻo TEYU UV laser marking chiller i ka mīkini mākaʻikaʻi e hōʻailona paʻa i nā kāleka hōʻike antigen COVID-19.