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Compared with erectric power, city gas is the most suitable energy for energy-conservation because gas has little loss of energy on producing and transmitting. The specific character of city gas such as cleaness and easiness to control contributes to the improvement of the productive equipments as follows: 1）Energy conservation 2）Progress of productivity and quality 3）Work-saving and space-saving by high control 4）Improvement of working environment and prevention of environmental pollution | ||||
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