A cikin gwajin asphalt, yakamata a biya musamman kulawa ta musamman ga tsaftacewa da molds da kayan aiki bayan gwajin. Darakta na bincikenmu yakan yi nazarin gyara da kuma anti-tsufa na kwalta, kuma baya yin gauraya da yawa. Bayan manyan gwaje-gwajen guda huɗu na Mallal din sun kammala, ana gwada gyaran gwajin tare da dizal mai zafi, da kuma ragowar kwalta da ke kan ƙwararrun kwayoyin halitta. Sabili da haka, dole ne ku kula da rigakafin kashe wuta yayin aiwatar da tsabtatawa! ! (Saboda buɗe harshen wuta yana da haɗari sosai, ƙungiyar bincikenmu tana amfani da mai dafa abinci, amma dole ne a rufe akwati lokacin da ake ci gaba da haɗuwa da iska)

Tsabtacewar akwati na kwalta za a iya shafa tare da dan kadan dizall, amma lokacin da gwaje-gwaje masu zuwa sun fi damuwa da wasan kwaikwayo na laushi (kamar su an goge tarkon kwalta da jaridar. Tun da cewa dole ne ya shiga shaffy tanki bayan amfani, zazzabi ya tashi cikin hanzari bayan tanki na Asphalt yana mai zafi, kuma za ku ga cewa tanki zai haifar da hayatarwa mai launin rawaya. Wannan shine hayaki, wanda yake da guba, da kuma masks talakawa, ko da talakawa n95 suna da mummunan kariya daga gas na gas. An bada shawara don amfani da masks 3m 82246cn ko masks tare da kariya daga gas na gas;
A cikin gwajin asphalt, ya fi kyau a shirya saitin tsoffin tufafi. Domin zaku ga cewa bayan 'yan kwanakin gwaji, za a toshe tufafinku tare da baƙar fata. A lokacin rani, dole ne a sanya dogon wando don gwaje-gwaje.
Tsaftace kayan gwaji a cikin lokaci bayan kowane gwaji, a gefe guda don kiyaye ɗakunan dakin gwaje-gwaje, kuma a gefe guda don hana ragowar sakamako na gwaji na gaba. Yana da wuya tsaftace shi bayan shekaru na tarawa.