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Lloyd Groff Copeman (December 28, 1881 – July 5, 1956) [1] was an American inventor who devised the first electric stove and the flexible rubber ice cube tray, among other products. He had nearly 700 patents to his name, and he claimed that he could walk into any store and find one of his inventions.
The Safetray brand serving tray product attaches a wait staff tray to the hand using a concept similar to how flip-flops attach to the foot. [10]In December 2009 [11] Alison Grieve, a 32-year-old waitress and event manager from Bruntsfield, [12] Edinburgh, witnessed a waitress drop a tray full of glasses of champagne at a corporate event for a delegation of international lawyers.
A crampon is a traction device attached to footwear to improve mobility on snow and ice during ice climbing. [1] Besides ice climbing, crampons are also used for secure travel on snow and ice, such as crossing glaciers , snowfields and icefields , ascending snow slopes, and scaling ice-covered rock.
A second type of hand-held pole stilts are similar to the first type but end in a handle so the walker has more control and flexibility to move their stilts. Those type of stilts can be very high (more than 4 m or 13 ft under feet). Hand-held string stilts (also known as tin can or bucket stilts) are platforms with strings attached to them.
A walking lead, tether, or rein attaches at the back or sides of the chest harness and is held by the parent or caregiver behind the child. This design is sometimes used to safely secure a child in a stroller or high chair as well as for walking. The most historically established design, standard style child harnesses are made of either leather ...
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A kicksled is designed to be used on hard, slippery surfaces like ice or hardpacked snow. To kicksled in deeper, more powdery snow, extra-wide plastic snow runners are attached to the standard, thin runners of the sled. On very smooth, bare ice, the use of traction devices like spiked shoes or crampons improves kicking force.
Glacier hiking involves walking on a glacier with special equipment, such as crampons, rope, climbing harness, helmet and ice axe, so that to some degree it resembles mountaineering. Glaciers are found on every continent except for Australia.