BS EN 74-1. Couplers, spigot pins and baseplates for use in falsework and scaffolds. Part 1. Couplers for tubes. Requirements and test procedures|Tensile testing, Design, Failure (mechanical), Couplers (scaffolding), Inspection, Scaffolding fixing components, Classification systems, Temporary structures, Mechanical testing, Aluminium, Scaffolding components, Quality control, Falsework, Force measurement, Strength of materials, Slip, Designations, Steels, Load capacity, Construction equipment, Bend testing, Scaffolds