???????? ???????? ????? ???????? ????? ????? ????? ?????The NFPA has uncovered that almost all of fires in workplaces occur in regions with no smoke detectors. Smoke detectors need to be put in each place and hallway of business structures, not only in break rooms with toaster ovens. ?????? ??? ?????? ?????? ?? ????????? ??????? ?????? ????? ??????