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Dry dock. A dry dock (sometimes drydock or dry-dock) is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform. Dry docks are used for the construction, maintenance, and repair of ships, boats, and other watercraft.
Salt water began to make its way upstream toward Lake Union, requiring a system of siphons and flushing mechanisms. Because the Cedar River was the main water source both for the lakes and locks and for Seattle's potable water, at times there were problems maintaining an adequate water supply to maintain lake level and operate the locks.
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 ...
The tables, one handicapped accessible, feature water, electricity, drains and a cooler nearby to dispose of waste. ... A new fish cleaning station opened at Lampe Marina, on the south end of the ...
Fishing sinker. A fishing sinker or plummet is a weight used in conjunction with a fishing lure or hook to increase its rate of sink, anchoring ability, and/or casting distance. Fishing sinkers may be as small as 1 gram (0.035 oz) for applications in shallow water, and even smaller for fly fishing applications, or as large as several pounds (>1 ...
Auxiliary floating drydock. An auxiliary floating drydock is a type of US Navy auxiliary floating dry dock. Floating dry docks are able to submerge underwater and to be placed under a ship in need of repair below the water line. Water is then pumped out of the floating dry dock, raising the ship out of the water.
Fish traps or fishing weirs restricts the flow of fish so that they are directed into a trap. The fish stay alive until they are removed and these techniques can be used to free some types of fish that are preferentially not caught. Today elaborate fishing trawlers, etc. are all examples of the fishing techniques used today. To keep the caught ...
G: Gravel or solids. An airlift pump is a pump that has low suction and moderate discharge of liquid and entrained solids. The pump injects compressed air at the bottom of the discharge pipe which is immersed in the liquid. The compressed air mixes with the liquid causing the air-water mixture to be less dense than the rest of the liquid around ...
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