Abstract: Training labs for training linemen and other power or utility technicians are disclosed. The training labs can be configured to provide equipotential zone (EPZ) grounding training in overhead and/or underground power scenarios. In some instances, the training labs can be mobile. For example, a mobile training lab can comprise an overhead training side that comprises one more deployable overhead power poles and/or an underground side comprising one or more component cabinets.

Abstract: A salt recovery system, comprising: a) a salt recovery tank, configured to receive and hold brine; b) a fluid tank, configured to hold a fluid and comprising a heater configured and heat the fluid in the fluid tank; c) a heat exchanger pipe, configured to receive the fluid from the fluid tank, to enable heat exchange between the fluid in the heat exchanger pipe and the brine in the salt recovery tank, and to release the fluid into the fluid tank; d) a circulation pump configured for driving a circulation of the fluid from the fluid tank, through the heat exchanger pipe, and back into the fluid tank; e) a first vacuum pump configured to lower pressure inside the salt recovery tank and to pump the water vapor out the salt recovery tank; f) a recycled water tank, configured to receive the water vapor from the first vacuum pump.

Abstract: A water purification system comprising a salvage pump, a vacuum assembly, and a clean water assembly. The salvage pump is configured to draw water from a water source. The vacuum assembly is configured to remove solutes from the water via vacuum evaporation. The clean water assembly is configured to remove non-soluble particles and/or bacteria from the water.

Abstract: Mobile training labs for training gas technicians are disclosed. The mobile training labs can include a towable trailer comprising a body having a plurality of walls at least partially defining a hollow interior, an axle having at least two wheels disposed thereon to support the body, and a tow hitch. The mobile training labs can also include at least one training bay connected to the towable trailer such that the at least one training bay is configured to be accessed from an exterior of the towable trailer. The at least one training bay can include a work bench and a mock service entrance that is representative of a commercial or residential gas service entrance.