Aiki mai haɗari ba a kula ba, yi amfani da aikin hannu don ɗaukar sa'a Haɗarin wasu ayyukan injina yana da girma sosai, amma wasu daga cikin amfani da waɗannan ma'aikatan injinan, kada ku kula da hakan, musamman don dogon lokacin aiki, ƙari kada ku yi. dauki hadarin a matsayin gaskiya, operatin ...
Kara karantawa