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A fish tape (also called a draw wire, draw tape, or an electrician ' s snake) is a tool used by electricians to route new wiring through walls and electrical conduit. [ 1 ] Made of a narrow band of spring steel , by careful manipulation, the tape can be guided through confined spaces such as wall cavities or conduits in many countries.
This method is considered to be the fastest and most humane method of killing fish. [4] Ikejime-killed fish is sought-after by restaurants as it also allows the fish to develop more umami when aged. [5] [6] It is very similar to the technique used on frogs in laboratories called spiking or pithing.
In the absence of an internal source, when the fluid is in contact with a hot surface, its molecules separate and scatter, causing the fluid to be less dense. As a consequence, the fluid is displaced while the cooler fluid gets denser and the fluid sinks. Thus, the hotter volume transfers heat towards the cooler volume of that fluid. [2]
The heat sink thermal resistance model consists of two resistances, namely the resistance in the heat sink base, , and the resistance in the fins, . The heat sink base thermal resistance, , can be written as follows if the source is a uniformly applied the heat sink base. If it is not, then the base resistance is primarily spreading resistance:
Silver is known in the chemistry world as a noble metal, which means it is resistant to corrosion, but not completely immune. Whether silver plating or pure silver, the composite of the metal will tarnish when exposed to air and sulfur. Tarnish is a chemical reaction on the surface of metal (copper, brass, silver, etc.) and causes a layer of ...
A fish with swim bladder disorder can float nose down tail up, or can float to the top or sink to the bottom of the aquarium. [ 2 ] Swim bladder disease is a very common illness within aquarium fish that results in the bladder not functioning properly causing the fish to swim upside down.