Potapljaški regulator B-518 izdelan iz regulatorja za gospodinjski plin. Glej članek v reviji Potapljač, 2003, let.2, št.7, str.20-21 in 2004, let.3, št.14, str. 11
Diving regulator model B-518 developped from a household gas regulator. See article in the magazine Potapljač (Diver), 2003, vol.2, No. 7, pp.20-21 and 2004, vol. 3, No. 14, p. 11