Cotaus na-emepụta Karama Reagent Laboratory nwere mkpuchi mkpuchi mkpuchi kemgbe ọtụtụ afọ ma bụrụ otu n'ime ndị ọkachamara Karama Reagent Laboratory nwere mkpuchi mkpuchi mkpuchi na-emepụta ihe na ndị na-ebubata ihe na China. Anyị nwere ụlọ mmepụta ihe nke anyị, nwere ike ịnye ọrụ ahaziri iche. Ọ bụrụ na ịchọrọ ịzụta ngwaahịa ego, biko kpọtụrụ anyị. Anyị ga-enye gị ọnụ ahịa na-eju afọ.