Lisebelisoa tse tala tsa likarete tsa tlhahlobo tsa antigen tsa COVID-19 ke lisebelisoa tsa polymer tse kang PVC, PP, ABS le HIPS. Mochini o tšoaeang laser oa UV o khona ho tšoaea mefuta e fapaneng ea mongolo, matšoao le lipaterone holim'a mabokose le likarete tsa antigen. TEYU UV laser marking chiller e thusa mochini oa ho tšoaea ho tšoaea likarete tsa tlhahlobo tsa antigen tsa COVID-19.