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The cordwainer's trade can be contrasted with the cobbler's trade, according to a tradition in Britain that restricted cobblers to repairing shoes. [1] This usage distinction is not universally observed, as the word cobbler is widely used for tradespersons who make or repair shoes. [2] [3] [4]
Stopcocks are used to grossly regulate the flow of tap water in residential and commercial services. One is found at the junction of a water main and the branch leading to an individual service (allowing the service to be isolated from the main trunk), and a second inside the structure (allowing its plumbing to be isolated from the branch line leading into it).
Woodcut of shoemakers from Frankfurt am Main, 1568. Two shoemakers in Vietnam in 1923. Shoemaking is the process of making footwear.. Originally, shoes were made one at a time by hand, often by groups of shoemakers, or cordwainers (sometimes misidentified as cobblers, who repair shoes rather than make them [citation needed]).
The problem of converting currency into local cash for use in train stations, hotel, restaurants, cobbler shops etc, however, continued. The Nazis controlled the flow of currency very closely. The resisters of Dutch-Paris came up with several ingenious schemes to move money around Europe, many of them involving their personal or business bank ...
Needle valves are usually used in flow-metering applications, especially when a constant, calibrated, low flow rate must be maintained for some time, such as the idle fuel flow in a carburettor. Note that the float valve of a carburettor (controlling the fuel level within the carburettor) is not a needle valve, although it is commonly described ...
A soft shoal in the bed of a river is due to deposit from a diminution in velocity of flow, produced by a reduction in fall and by a widening of the channel, or to a loss in concentration of the scour of the main current in passing over from one concave bank to the next on the opposite side. The lowering of such a shoal by dredging merely ...
Penstocks are also used in mine tailings dam construction. The penstock is usually situated fairly close to the center of the tailings dam and built up using penstock rings, short reinforced ring-like sections of pipe which nest one within the other when stacked and thereby control the water level, letting the slimes settle out of the water ...
Tracker action in Jørlunde church.Organ by Frobenius (2009). Tracker action is a term used in reference to pipe organs and steam calliopes to indicate a mechanical linkage between keys or pedals pressed by the organist and the valve that allows air to flow into pipe(s) of the corresponding note. [1]