System for lifting and moving of loads has a vertical support frame with spindle drive to raise lifting grips and with lower support wheels and an upper securing grip
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Lifting device with roller
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Ladder foot with ground spike moves spike via arrestable lug in guide tube connected to stringer and slotted lengthways apart from two issuing grooves engageable by lug for spike positioning.
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Device for attaching crash barrier round building roof has two-part spacer support with support tube and socket part which remains fixed underneath outer roof cover
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Ladder scaffolding with lean-to ladder
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Safety structure at the gable side of an angled and tiled roof has support arms secured to the roof rafters to prevent scaffolding or ladders falling or slipping
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Carrying device for carrying an umbrella on a human body
