Wood preservatives. Determination of the protective effectiveness against Anobium punctatum (De Geer) by egg-laying and larval survival. Application by impregnation (laboratory method)— 24 стр.
Design and construction of small kits for oxy-fuel gas welding and allied processes, Specification for kits using refillable gas containers for oxygen and fuel gas— 8 стр.
Gas welding equipment. Equipment used in gas welding, cutting and allied processes, safety devices for fuel gases and oxygen or compressed air. General specifications, requirements and tests— 16 стр.