BS EN 74-2. Couplers, spigot pins and baseplates for use in falsework and scaffolds. Part 2. Special couplers. Requirements and test procedures|Slip, Bend testing, Aluminium, Designations, Construction equipment, Mechanical testing, Couplers (scaffolding), Inspection, Scaffolds, Load capacity, Steels, Falsework, Temporary structures, Quality control, Force measurement, Design, Strength of materials, Failure (mechanical), Classification systems, Scaffolding fixing components, Scaffolding components