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  2. Phereoeca uterella - Wikipedia

    en.wikipedia.org/wiki/Phereoeca_uterella

    Phereoeca uterella, known by the vernacular names plaster bagworm [a] and household casebearer [b], is a moth species in family Tineidae. [ 3 ] [ 1 ] It occurs in tropical climates, where it is common in houses, and is presumed native to the Neotropical realm . [ 4 ]

  3. First fix and second fix - Wikipedia

    en.wikipedia.org/wiki/First_fix_and_second_fix

    First fix comprises all the work needed to take a building from foundation to putting plaster on the internal walls. This includes constructing walls, floors and ceilings, and inserting cables for electrical supply and pipes for water supply. Some argue that First Fix starts after the shell of the building is complete, and ends when the walls ...

  4. Heat trap - Wikipedia

    en.wikipedia.org/wiki/Heat_trap

    Heat traps are valves or loops of pipe on the cold water inlet and hot water outlet of water heaters. The heat traps allow cold water to flow into the water heater tank, but prevent unwanted natural convection and heated water to flow out of the tank. [1] [2] Newer water heaters have built-in heat traps.

  5. Flashing (weatherproofing) - Wikipedia

    en.wikipedia.org/wiki/Flashing_(weatherproofing)

    Flashing is thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier system. In modern buildings, flashing is intended to decrease water penetration at objects such as chimneys , vent pipes, walls, windows and door openings to make buildings more durable ...

  6. Waxworm - Wikipedia

    en.wikipedia.org/wiki/Waxworm

    Waxworms can replace mammals in certain types of scientific experiments with animal testing, especially in studies examining the virulence mechanisms of bacterial and fungal pathogens. [5] Waxworms prove valuable in such studies because the innate immune system of insects is strikingly similar to that of mammals. [ 6 ]

  7. Vapor barrier - Wikipedia

    en.wikipedia.org/wiki/Vapor_barrier

    The function of a vapor barrier is to retard the migration of water vapor. A vapor barrier is not typically intended to retard the migration of air. This is the function of air barriers. [8] Air is mixed with water vapor. When air moves from location to location due to an air pressure difference, the vapor moves with it.