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Jacob's ladder (nautical) Members of Prince William ' s crew climb onto the main-top using the Jacob's ladder. The term Jacob's ladder, [ 1] used on a ship, applies to two kinds of rope ladders. [ 2] The first is a flexible hanging ladder. It consists of vertical ropes or chains supporting horizontal, historically round and wooden, rungs.
Pool-and-weir fish ladder at Bonneville Dam on the Columbia River Drone video of a fish way in Estonia, on the river Jägala FERC Fish Ladder Safety Sign. A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon, is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as ...
A plan and side view of a generic, empty canal lock. A lock chamber separated from the rest of the canal by an upper pair and a lower pair of mitre gates.The gates in each pair close against each other at an 18° angle to approximate an arch against the water pressure on the "upstream" side of the gates when the water level on the "downstream" side is lower.
An accommodation ladder is a foldable flight of steps down a ship 's side. Accommodation ladders can be mounted parallel or perpendicular to the ship's board. If the ladder is parallel to the ship, it has to have an upper platform. Upper platforms are mostly turnable. The lower platform (or the ladder itself) hangs on a bail and can be lifted ...
Home improvement is the name of the game this year, so be sure to score some amazing deals at The Home Depot this Black Friday season. Right now, you can save 50% on this high-quality ladder and ...
Ladder approach. The ladder approach is a widely taught lifesaving technique and is used to promote the safety of a rescuer during an aquatic rescue. [1] [2] The approach stresses using the least dangerous method possible during a rescue, and moving on to more dangerous options if it becomes necessary to do so. [3]
Step ladders have flat steps and a hinged back. Swim ladder, a ladder used by swimmers to get out of the water, often on boats. Telescoping ladder, commonly used to refer to a hybrid between a step ladder and an extension ladder with 360-degree hinges; has three parts and can be taken apart to form two step ladders; e.g. Little Giant.
The Second Step is the best known of the rocky steps. The steep section, at an altitude of 8,610 m, has a climbing height of 40 metres (130 ft), of which the last five are almost vertical. The steep section, at an altitude of 8,610 m, has a climbing height of 40 metres (130 ft), of which the last five are almost vertical.
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