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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
E04G1/00—Scaffolds primarily resting on the ground
E04G1/18—Scaffolds primarily resting on the ground adjustable in height
E04G1/20—Scaffolds comprising upright members and provision for supporting cross-members or platforms at different positions therealong