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The Dean–Stark method is commonly used to measure moisture content of items such as bread in the food industry. This equipment can be used in cases other than simple removal of water. One example is the esterification of butanol with acetic acid catalyzed by sulfuric acid. The vapor contains 63% ester, 29% water and 8% alcohol at reflux ...
A fish trap is a trap used for catching fish and other aquatic animals of value. Fish traps include fishing weirs, cage traps, fish wheels and some fishing net rigs such as fyke nets. [ 1 ] The use of traps are culturally almost universal around the world and seem to have been independently invented many times.
Glass float - Wikipedia ... Glass float
The Albany Fish Traps, also known as the Oyster Harbour Fish Traps, are a series of fish traps situated in Oyster Harbour near the mouth of the Kalgan River approximately 14 kilometres (9 mi) east of Albany in the Great Southern region of Western Australia . The traps were constructed by the Menang peoples and are over 7,500 years old. [ 1]
Cleaner fish - Wikipedia ... Cleaner fish
This page was last edited on 25 January 2020, at 13:09 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may apply.
Cleaning station. A reef manta ray at a cleaning station, maintaining a near stationary position atop a coral patch for several minutes while being cleaned. A rockmover wrasse being cleaned by Hawaiian cleaner wrasses on a reef in Hawaii. Some manini and a filefish wait their turn. A cleaning station is a location where aquatic life congregate ...
The tangle net originated in British Columbia, Canada, as a gear specifically developed for selective fisheries. [ 1] Tangle nets have smaller mesh sizes than standard gillnets. They are designed to catch fish by their nose or jaw, enabling bycatch to be resuscitated and released unharmed. [ 2][ 3] These nets are made with a very thin light ...
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