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2. Tow hitch - Wikipedia

   en.wikipedia.org/wiki/Tow_hitch

   Before 1932, all trailers used only jaw or hook couplings with an eyelet for trailer towing. In 1932, Franz Knöbel, of Westfalia-Werke developed the trailer hitch with a ball head and socket joint. Franz Knöbel patented the ball head-socket joint trailer hitch invention on March 14, 1934. Westfalia holds a number of towing patents. [13] [14] [15]

3. Fish ladder - Wikipedia

   en.wikipedia.org/wiki/Fish_ladder

   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 ...

4. Fishing trawler - Wikipedia

   en.wikipedia.org/wiki/Fishing_trawler

   The earliest steam-powered fishing boats first appeared in the 1870s and used the trawl system of fishing as well as lines and drift nets. These were large boats, usually 80–90 feet (24–27 m) in length with a beam of around 20 feet (6.1 m). They weighed 40–50 tons and travelled at 9–11 knots (17–20 km/h; 10–13 mph).

5. Standing rigging - Wikipedia

   en.wikipedia.org/wiki/Standing_rigging

   Key: 1. Forestay 2. Shroud 3. (Spreaders) 4. Backstay 5. Inner forestay 6. Sidestay 7. (Boom) 8. Running backstays Standing rigging on a square-rigged vessel (illustrated left), which supports a mast comprising three steps: main, top, and topgallant (illustrated right). The shrouds support each section laterally and the stays support each, fore ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Trolling (fishing) - Wikipedia

   en.wikipedia.org/wiki/Trolling_(fishing)

   Trolling is a method of fishing where one or more fishing lines, baited with lures or bait fish, are drawn through the water at a consistent, low speed. This may be behind a moving boat, or by slowly winding the line in when fishing from a static position, or even sweeping the line from side-to-side, e.g. when fishing from a jetty.