Housing is described as structures collectively; structures in which people are housed, living accomodation, dwelling units.

High learning products are identified as items that require education or instruction before being able to operate, an example would be a computer.

Hood is a generic term for a device designed to capture contaminated air and conduct it into an exhaust duct system.

Honey extractor is described as a machine which removes honey from the cells of comb by centrifugal force.

Hoist brake is desribed as an electrically activated device which, when deactivated, serves to stop hoist motion by friction.

High efficiency particulate air filter (HEPA) refers to a filter which removes particles in the air by forcing it through screens containing microscopic pores.

Heat treatment solution is pertaining to a treatment in which an alloy is heated to a suitable temperature and held at this temperature for a sufficient length of time to allow a desired constituent to enter into solid solution, followed by rapid cooling to hold the constituent in solution.

Heat shrink (general) is referring to a material used to connect two pieces of conductor together.

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