I-ashtray yeglasi ecacileyo enenkangeleko enemibala inomtsalane kakhulu, ayisebenzi nje kuphela kodwa kunye nekhaya elilungileyo kunye nokuhombisa iofisi.Ukubeka kwigumbi lokuhlala, igumbi lokufunda, igumbi lokuhlangana liya kwenza iindwendwe zizive umninimzi eziva kamnandi.