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This 16th-century fish stall shows many traditional fish products. The term fish processing refers to the processes associated with fish and fish products between the time fish are caught or harvested, and the time the final product is delivered to the customer. Although the term refers specifically to fish, in practice it is extended to cover ...
Electrofishing. Scientists carrying out a population and species survey using electrofishing equipment. Electrofishing is a fishing technique that uses direct current electricity flowing between a submerged cathode and anode. This affects the movements of nearby fish so that they swim toward the anode, where they can be caught or stunned.
A table saw. A circular saw or a buzz saw, is a power- saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around an arbor. A hole saw and ring saw also use a rotary motion but are different from a circular saw. Circular saws may also be loosely used for the blade itself.
Sawfiler. A saw filer is a person who maintains and repairs saws in a saw mill. A saw filer's work area in the mill is called the filing room . Saws used in timber mills are very large. They need maintenance for safe operation. Repair of damaged saws requires a degree of skill. Automated equipment has continued to be developed and implemented ...
The fish knife was preceded in the 18th century by a silver fish slice (also known as fish trowel, fish carver, and fish knife[2]), [1] a broad tool used for serving fish (thus yet another name, fish server), pudding, [3] and other soft desserts . At the turn of the 19th century, the originally symmetric and broad blade of the serving fish ...
A 1.3 m (4.3 ft) sawfish had a 33 cm (13 in) catfish in its stomach. [71] It had been suggested that sawfish use their saw to dig/rake in the bottom for prey, [79] but this was not observed during a 2012 study, [74] or supported by later hydrodynamic studies. [77] Large sawfish often have rostral teeth with tips that are notably worn. [35]
Sexual maturity is reached at a length of about 2.8–3 m (9.2–9.8 ft) when 7–10 years old. [4] [6] Breeding is seasonal in this ovoviviparous species, but the exact timing appears to vary depending on the region. [15] The adult females can breed once every 1–2 years, the gestation period is about five months, [1] and there are ...
3 angles: clearance angle, wedge angle, rake (chipping) angle; Δr; length and orientation of the bevel; Cutting edge profile with parameters. One of the most important cutting edge parameters is the K factor. It specifies the form of the cutting edge. 1 means a symmetric cutting edge. If the value is smaller than 1 the form is called a waterfall.