Aijiren e na le mefuta e 'meli e fapaneng ea li-racks tsa vial bakeng sa ho boloka le ho sebetsana le tharollo ea hau. Ka li-racks tsa vial tse etselitsoeng 2ml le 4ml, u ka boloka le ho sebelisa linkho tsa hau tsa tharollo ka mokhoa o sireletsehileng lilaboratoring tsa hau.
