industries for example coalmining, ship-making etc which entail the use of substantial or heavy equipment or which deliver massive or heavy items. swaar industrie ??????? ??????? ????? ???????????? indústria pesada t?žký pr?mysl die Schwerindustrie sværindustri ????? ?????????? industria pesada rasketööstus ????? ????? raskas teollisuus indus