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Leather painting differs from leather dyeing in that paint remains only on the surface while dyes are absorbed into the leather. Due to this difference, leather painting techniques are generally not used on items that can or must bend nor on items that receive friction, such as belts and wallets because under these conditions, the paint may crack or wear off.
It is usually performed on the "flesh" side of a piece of leather rather than the "finished" (hair) side. [1] Skiving is also used when two edges of leather are to be joined, so as to keep the overlapping area from becoming unnecessarily bulky. [2] The technique is useful for joining long strips of leather together to form belts or watchbands.
[1] [2] Leather can be used to make a variety of items, including clothing, footwear, handbags, furniture, tools and sports equipment, and lasts for decades. Leather making has been practiced for more than 7,000 years and the leading producers of leather today are China and India.
Tanning was being carried out by the inhabitants of Mehrgarh in Pakistan between 7000 and 3300 BCE. [1] Around 2500 BCE, the Sumerians began using leather, affixed by copper studs, on chariot wheels. [citation needed] The process of tanning was also used for boats and fishing vessels: ropes, nets, and sails were tanned using tree bark. [2]
A tanner treating leather in Morocco. Bating is a technical term used in the tanning industry to denote leather that has been treated with hen or pigeon manure, similar to puering (see puer) where the leather has been treated with dog excrement, and which treatment, in both cases, was performed on the raw hide prior to tanning in order to render the skins, and the subsequent leather, soft and ...
A perpetual stew, also known as forever soup, hunter's pot, [1] [2] or hunter's stew, is a pot into which foodstuffs are placed and cooked, continuously.The pot is never or rarely emptied all the way, and ingredients and liquid are replenished as necessary.
SOD1 binds copper and zinc ions and is one of three superoxide dismutases responsible for destroying free superoxide radicals in the body. The encoded isozyme is a soluble cytoplasmic and mitochondrial intermembrane space protein, acting as a homodimer to convert naturally occurring, but harmful, superoxide radicals to molecular oxygen and hydrogen peroxide.
The Apicius manuscript (ca. 900 CE) of the monastery of Fulda in Germany, which was acquired in 1929 by the New York Academy of Medicine. Apicius, also known as De re culinaria or De re coquinaria (On the Subject of Cooking), is a collection of Roman cookery recipes, which may have been compiled in the fifth century CE, [1] or earlier.