Gas engineers may encounter dangerous conditions such as dogs, verbal abuse or even physical violence from the general public or be unable to get help in an emergency. http://uaprosvita.if.ua/%d0%b2%d1%96%d1%82%d0%b0%d0%bd%d0%bd%d1%8f-%d0%bc%d0%b8%d1%82%d1%80%d0%be%d0%bf%d0%be%d0%bb%d0%b8%d1%82%d1%83-%d1%96%d0%be%d1%81%d0%b0%d1%84%d1%83-%d0%b2%d1%96%d0%b4-%d0%bf%d1%80%d0%be%d1%81%d0%b2/