I-aijiren's 2ml snap vial yenziwe ngendwangu ye-PP ukwenza i-cap, futhi impahla yengilazi yenziwe nge-vial. I-Vial ingakhetha ukuthi inendawo yelebula. I-Snap Cap idinga kuphela i-bayonet ebhukwayo. Lapho uzwa "ngokuchofoza", kuzovalwa. Ngoba i-snap cap ayiqinile, ayinconyelwa ukuqukatha ama-reagents aphuzo.