ers (42.64 are exposed to various. dangers, rendering them unre- way, permitting the concrete to set over the upper half feet), the diameter being about 8 meters (2614 feet). liable for use in large cities. Here not only the risk of the cable, and thus provide it with a solid concrete The front… … Preparing the Protective Sheath. TEE LAYING OF A 10,000-VOLT CABLE,
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