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Ladder Dogs (in the form of pawls) are used on extension ladders to temporarily anchor their sections to one-another. [3] Table saw Pawls are used on table saws to prevent a workpiece being sawn from kicking back. [4] Transmission A parking pawl is a device in an automobile automatic transmission which prevents it from moving when the vehicle ...
Shepherd's crook A shepherd's crook. A shepherd's crook is a long and sturdy stick with a hook at one end, often with the point flared outwards, used by a shepherd to manage and sometimes catch sheep. In addition, the crook may aid in defending against attack by predators. When traversing rough terrain, a crook is an aid to balance.
A Pyecombe hook is a distinctive shepherd's crook crafted in the old forge at the village of Pyecombe in Sussex, England since the 19th century. The Pyecombe hook was perfectly balanced with a twist that allowed shepherds to easily catch the hind leg of a sheep without injuring the sheep. Its use is described by Charles Mitchell: "the curve is ...
The anchor selection, together with additional reinforcement, and rigging arrangements is influenced by: - The dead weight of the element - The number of anchors in the element and the configuration of the anchor - Capacity of the anchor at the specific concrete compressive strengths at time of lift - The dynamic loads applied during lifting ...
Hooks are steel hooks of various shapes (e.g. bat hook, talon hook, grappling hook, etc.,) that are hung from cracks and flakes (e.g. the fifi hook and skyhook). They are mostly used in aid climbing but have been used in extreme traditional climbing routes as a last resort where the hook placement may not withstand a dynamic fall.
Single helix earth anchors Guyed mast anchor. An earth anchor is a device designed to support structures, most commonly used in geotechnical and construction applications. Also known as a ground anchor, percussion driven earth anchor or mechanical anchor, it may be impact driven into the ground or run in spirally, depending on its design and intended force-resistance characteristics.