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2. Lewis (lifting appliance) - Wikipedia

   en.wikipedia.org/wiki/Lewis_(lifting_appliance)

   A lewis (sometimes called a lewisson) is one of a category of lifting devices used by stonemasons to lift large stones into place with a crane, chain block, or winch. It is inserted into a specially prepared hole, or seating , in the top of a stone, preferably above its centre of mass .

3. John H. Balsley - Wikipedia

   en.wikipedia.org/wiki/John_H._Balsley

   John H. Balsley (May 29, 1823 – March 12, 1895) was a master carpenter and inventor, inventing a practical folding wooden stepladder and receiving the first U.S. patent issued for a safety stepladder in the year. He was born in Connellsville, Fayette County, Pennsylvania to George H. and Sarah (Shallenberger) Balsley. His father was also a ...

4. Step stool - Wikipedia

   en.wikipedia.org/wiki/Step_stool

   Step stools are halfway between a ladder and a stool, being used, as a support platform, for reaching targets that are at heights between approximately 2 and 3 metres (6.6 and 9.8 ft). The most common modern type is made with two separate ladders connected to each other at the upper end, where there is a platform with an area big enough to ...

5. Scaffolding - Wikipedia

   en.wikipedia.org/wiki/Scaffolding

   Scaffolding for rehabilitation in Madrid, Spain [1] Scaffolding for renovation on the Virgin Mary statue, Santiago de Chile, Chile.. Scaffolding, also called scaffold or staging, [2] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other human-made structures.

6. Step aerobics - Wikipedia

   en.wikipedia.org/wiki/Step_aerobics

   Step aerobics is one of several low-impact aerobic exercises, along with water aerobics, dance aerobics and fast walking. [40] Step aerobics is similar to climbing stairs, but performed while staying in one place. The step platform itself is much less expensive and more portable than a StairMaster, and needs no electricity to operate. [28]

7. Ottoman (furniture) - Wikipedia

   en.wikipedia.org/wiki/Ottoman_(furniture)

   Over the subsequent generation, the ottoman became a common piece of bedroom furniture. European ottomans standardized on a smaller size than the traditional Turkish ottoman, and in the 19th century they took on a circular or octagonal shape. The seat was divided in the center by arms or by a central, padded column that might hold a plant or ...