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2. Shop-Vac - Wikipedia

   en.wikipedia.org/wiki/Shop-Vac

   Shop-Vac, also known as Shop-Vac Corporation, is an American wet/dry vacuum manufacturer headquartered in Williamsport, Pennsylvania. Currently, Shop-Vac is owned by Hangzhou GreatStar Industrial and shares a facility with SK Hand Tools .

3. Vacuum truck - Wikipedia

   en.wikipedia.org/wiki/Vacuum_truck

   Vacuum truck. A vacuum truck, vacuum tanker, vactor truck, vactor, vac-con truck, vac-con is a tank truck that has a pump and a tank. The pump is designed to pneumatically suck liquids, sludges, slurries, or the like from a location (often underground) into the tank of the truck. The objective is to enable transport of the liquid material via ...

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

5. Cathodic protection - Wikipedia

   en.wikipedia.org/wiki/Cathodic_protection

   Indeed, the electrons sent by the imposed current anode (composed of titanium and covered with MMO) prevents the inside of the tank from rusting. [ 19 ] In order to be recognized as effective, these anodes must comply with certain standards: A cathodic protection system is considered efficient when its potential reaches or exceeds the limits ...

6. Electro-oxidation - Wikipedia

   en.wikipedia.org/wiki/Electro-oxidation

   Simple scheme of the apparatus for electro-oxidation process. The set-up for performing an electro-oxidation treatment consists of an electrochemical cell.An external electric potential difference (aka voltage) is applied to the electrodes, resulting in the formation of reactive species, namely hydroxyl radicals, in the proximity of the electrode surface. [11]

7. HT (vacuum tube) - Wikipedia

   en.wikipedia.org/wiki/HT_(vacuum_tube)

   In vacuum tube technology, HT or high tension describes the main power supply to the circuit, which produces the current between anode and cathode. It is also known as the plate supply or voltage, B battery supply, or simply labeled →B on circuit diagrams , from the days of battery powered circuitry .