TONVA tsarki na lantarki busa gyare-gyaren inji dace da abinci marufi, dakin gwaje-gwaje roba samfurin, likita masana'antu wanda da abũbuwan amfãni: muhalli abokantaka, makamashi m , high dace , ƙananan amo , daidaici iko , low tabbatarwa farashin da sauransu.