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A gas holder or gasholder, also known as a gasometer, is a large container in which natural gas or town gas (coal gas or formerly also water gas) is stored near atmospheric pressure at ambient temperatures. The volume of the container follows the quantity of stored gas, with pressure coming from the weight of a movable cap.
Furniture repair is the craft of making broken or worn furniture usable again. It may include the preservation of old furniture, which is referred to as restoration . The craft of furniture repair requires a number of different skills including woodworking , metalworking , wood finishing , caning (furniture) , woodturning , and upholstery .
The Gasometer officially stopped operating 31 December 1944. It was completely disassembled after it had caught fire during repair work on 10 June 1946. Reconstruction began 1949 using the original pressure disc and roof. By 1 June 1950 the Gasometer was operational again. [1] In 1977 the Gasometer was repainted, at a cost of 3.5 million DM.
The invention of programmable logic controllers (PLC) allowed gas meter repair facilities to automate most of the manual bell prover's process and calculations. Instead of manually raising and lowering the bell prover, solenoid valves connected to a PLC control air flows through the meter.
A rail repair dutchman is typically a 4–6-inch (100–150 mm) long piece of rail that is cut in advance for the purpose and carried by a section crew. If the gang finds a rail with a chipped or broken end, they remove the connector plates ( fishplates ), cut out the damaged section, replace it with the dutchman, and bolt the connectors back ...
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Furniture preservation is the practice of maintaining the condition of furniture, especially antique or valuable wooden furniture. One of the most significant dangers to wooden furniture is humidity ; wood will tend to expand by absorbing water from the air when it is humid, and shrink when the air is drier. [ 1 ]