Alaabta ceeriin ee kaadhadhka tijaabada ee COVID-19 waa maaddooyinka polymer sida PVC, PP, ABS, iyo HIPS. Mashiinka calaamadaynta laser UV wuxuu awood u leeyahay inuu calaamadiyo noocyada kala duwan ee qoraalka, calaamadaha, iyo qaababka dusha sanduuqyada iyo kaararka ogaanshaha antigen. Qaboojiyaha calaamadaynta laser TEYU UV waxay ka caawisaa mashiinka calaamadaynta inuu si adag u calaamadiyo kaadhka tijaabada ee COVID-19.