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water. to minimise the possibility of contaminants leaching to groundwater or running off to surface water, such yards should be located on concrete or fine-to-medium textured soils over feet/ metres from water sources such as wells, surface water, adjacent property, drainage ditches or other areas...
temperature is to heat the mold to the working temperature, and the second is to keep the mold temperature constant at the working temperature. if the above two points are successful, the cycle time can be optimized to ensure the high quality of the injection molded parts. mold temperature affects surface...
in brazil, the main materials for reprocessing are aluminum , steel , glass , paper and plastics . [ ] they also recycle batteries , cooking oil , laminated material, refrigerators and so on. [ ] [ ] the results of aluminum recycling are the most significant. [ ] paper[ edit ] in , brazil recycled million...
. the carbon footprint of these milk cartons is 35% less than the conventional paper cartons. milk has never come in plastic containers in sweden. these three cases are good examples showing how companies respond to the high carbon tax. it is just not possible to use fossil oil, gas or coal when the...