Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane— 40 стр.
Electrical apparatus for explosive gas atmospheres. Construction, test and marking of type of protection encapsulation "m" electrical apparatus— 38 стр.
Lifting and load-bearing equipment for stages and other production areas within the entertainment industry. General requirements (excluding aluminium and steel trusses and towers)— 80 стр.
BS EN 17206. Entertainment Technology. Lifting and Load-bearing Equipment for Stages and other Production Areas within the Entertainment Industry. Specifications for general requirements (excluding aluminum and steel trusses and towers)— 106 стр.
BS EN 280-2. Mobile elevating work platforms. Part 2. Additional safety requirements for load lifting appliances on the extending lifting structure and work platform— 21 стр.