| 摘要 |
A scaffolding system utilizing upright ladders and commonly available sawhorses. The ladders have frames attached which are adapted for enclosing the horizontal beam of a sawhorse and other similar ground support systems. The frames enclose the sawhorse horizontal beam tautly and maintain the ladder securely and in an upright fashion. Ordinary planking is then set on the rungs of opposing ladders to provide a working platform.
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