E FIXED CONSTRUCTIONS
E04 BUILDING
E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
E04G21/00 Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
E04G21/24 Safety or protective measures preventing damage to building parts or finishing work during construction
E04G21/26 Strutting means for wall parts; Supports or the like, e.g. for holding in position prefabricated walls