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  2. Wall panel - Wikipedia

    en.wikipedia.org/wiki/Wall_panel

    A wall panel is single piece of material, usually flat and cut into a rectangular shape, that serves as the visible and exposed covering for a wall. Wall panels are functional as well as decorative, providing insulation and soundproofing , combined with uniformity of appearance, along with some measure of durability or ease of replaceability.

  3. Sandwich panel - Wikipedia

    en.wikipedia.org/wiki/Sandwich_panel

    Sandwich panels require the CE mark to be sold in Europe. The European sandwich panel standard is EN14509:2013 Self-supporting double-skin metal-faced insulating-panels - Factory-made products – Specifications. Sandwich panels quality can be certified by applying the quality level EPAQ

  4. Construction waste - Wikipedia

    en.wikipedia.org/wiki/Construction_waste

    Businesses recycling materials must compete with often the low cost of landfills and new construction commodities. [4] Data provided by 24 states reported that solid waste from construction and demolition (C&D) accounts for 23% of total waste in the U.S. [5] This is almost a quarter of the total solid waste produced by the United States. During ...

  5. Drum (container) - Wikipedia

    en.wikipedia.org/wiki/Drum_(container)

    Henry Wehrhahn, employee of Nellie Bly's Iron Clad Manufacturing Company of New York, received two patents in December 1905 that would lead to the modern 55-gallon steel drum [2] [3] Use of 200-litre drums became widespread in World War II, the first war in which trucks, cold rolled steel, stamp or pattern forging machinery and welding were widely available.