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Kylix before and after conservation - restoration. Conservation and restoration of ceramic objects is a process dedicated to the preservation and protection of objects of historical and personal value made from ceramic. Typically, this activity of conservation-restoration is undertaken by a conservator-restorer, especially when dealing with an ...
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 ...
A fish fillet processor processes fish into a fillet. Fish processing starts from the time the fish is caught. Popular species processed include cod, hake, haddock, tuna, herring, mackerel, salmon and pollock . Commercial fish processing is a global practice. Processing varies regionally in productivity, type of operation, yield and regulation.
Tilapia (/ t ɪ ˈ l ɑː p i ə / tih-LAH-pee-ə) is the common name for nearly a hundred species of cichlid fish from the coelotilapine, coptodonine, heterotilapine, oreochromine, pelmatolapiine, and tilapiine tribes (formerly all were "Tilapiini"), with the economically most important species placed in the Coptodonini and Oreochromini. [2]
Beam score cutters, cutter boards. The ceramic tile cutter works by first scratching a straight line across the surface of the tile with a hardened metal wheel and then applying pressure directly below the line and on each side of the line on top. Snapping pressure varies widely, some mass-produced models exerting over 750 kg.
The caudal fin is lunate and is mainly yellow in colour with a dark blotch on the lower part of the upper lobe. [4] This species has 4–5 spines and 53–57 soft rays in its dorsal fin while the anal fin has 1 spine and 50–52 soft rays. The maximum recorded total length is 70 cm (28 in), although 50 cm (20 in) is more typical. They can weigh ...
Tilefish range in size from 11 cm (4.3 in) (yellow tilefish, Hoplolatilus luteus) to 125 cm (49 in) (great northern tilefish, Lopholatilus chamaeleonticeps) and a weight of 30 kg (66 lb). [ 12 ] Both subfamilies have long dorsal and anal fins , the latter having one or two spines.
Hoplolatilus marcosi is normally found at depths of 18 to 80 m (59 to 262 ft), although usually deeper than 30 m (98 ft), close to drop offs and in areas of sand or rubble. This species created large mounds of rubble. It feeds on zooplankton. The redback sand tilefish is monogamous and forms pairs to spawn. [2]