Body repair is about rectifying modern light vehicles that have been damaged in a collision. Heavy vehicle cabs and vans which employ similar construction principles lend themselves to the same range of skills. Typical activities are identified as follows: removal and replacement of structural body panels - this involves adhering to industry codes of practice; employing inert gas welding, resistance welding and adhesive application tools; removing and replacing sections, which are part of the welded structure; repair of structural body panels - this involves using specialist impact removal tools and hydraulic push/pull equipment; removing protective materials; re-instating panels with techniques of hot and cold shrinking; rectification of vehicle misalignment - this involves visual examination; measurement and re-alignment using universal and dedicated body jigs; removing, repairing and replacing chassis legs and structural body members; quality-checking of body repairs - this involves using manufacturers manuals and company checking procedures; inspecting vehicles during and after strip and fit, body repair and paint refinishing; using headlamp and wheel alignment equipment; conducting tests both off and on road.