Group A: Users/operaters/users of GLN reservoirs/installations with up to 13 m3 over/under the land Group B: User/operater/users of reservoirs/GLN installations with over 13 m3, over/in the soil Group C: User/operater/user of pressure appliances/installations of technological equipment and air tanks Group D: Steam boilers/steam/water/hot oil users Group E: User/operater/user of the containers/installations at cryogenic pressure Group F: User/operater of installations of filling and machining centers with GLN Group G: Transvasive and transvasive transvasive vehicles/rail tankers and dangerous goods Group GJ: Persons who have the duty and response for transporting NGO bombs and installing them to the consumer