Tamper-pov thawj iav vials thiab lub raj mis yog lub khob me me uas tsim los muab pov thawj ntawm kev cuam tshuam lossis qhib. Lawv feem ntau siv los khaws thiab thauj cov tshuaj, cov roj yam tseem ceeb, thiab lwm yam kua dej rhiab heev. Lub vials feature tamper-pom tseeb kaw uas tawg thaum qhib, tso cai yooj yim nrhiav tau yog tias cov ntsiab lus tau nkag los yog xau. Qhov no ua kom muaj kev nyab xeeb thiab kev ncaj ncees ntawm cov khoom muaj nyob rau hauv lub vial, ua rau nws tseem ceeb rau kev siv tshuaj thiab kev kho mob.