1. This made Conneaut Lake a vital source of ice, prior to mechanical refrigeration . 2. Before mechanical refrigeration , soda fountains used ice to cool drinks and ice cream. 3. Prior to the advent of mechanical refrigeration , brewers would dig cellars for lagering. 4. With widespread electrification and safer refrigerants, mechanical refrigeration in the home became possible. 5. Together they formed a new company, the Bell-Coleman Mechanical Refrigeration Company, in the same year. 6. On another servicing mission this March, a new mechanical refrigeration system was put in place. 7. The origins of these in America and other countries, apparently, also predate the invention of mechanical refrigeration . 8. The hydrocarbon dew-point of the gas is reduced by mechanical refrigeration to a quality suitable for pipeline transportation. 9. However, mechanical refrigeration technology has rapidly evolved in the last century, from ice harvesting to temperature-controlled rail cars. 10. An additional 100 cars were soon added, and small mechanical refrigeration units were installed to keep temperatures constant.
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