Izinto zokusetshenziswa zamakhadi okuhlola i-COVID-19 antigen ziyizinto ze-polymer ezifana ne-PVC, i-PP, i-ABS, ne-HIPS. Umshini wokumaka we-laser we-UV uyakwazi ukumaka izinhlobo ezahlukene zombhalo, izimpawu, namaphethini ebusweni bamabhokisi okuthola i-antigen namakhadi. I-TEYU UV laser marking chiller isiza umshini wokumaka ukuthi umake ngokuzinzile amakhadi okuhlola e-COVID-19 antigen.