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  2. Hardboard - Wikipedia

    en.wikipedia.org/wiki/Hardboard

    Tempered hardboard is a hardboard that has been coated with a thin film of linseed oil and then baked; this gives it more water resistance, impact resistance, hardness, rigidity and tensile strength. An earlier tempering process involved immersing the board in linseed oil or tung oil until it was 5 to 6 percent saturated, and heating to 170 °C ...

  3. Perforated hardboard - Wikipedia

    en.wikipedia.org/wiki/Perforated_hardboard

    Perforated hardboard and similar systems are made of a variety of materials, each of which has different characteristics that affect the range of possible uses. Standard perforated hardboard is made of wood fibers, usually with the addition of resin , and tempered by coating with a thin layer of linseed oil and baking at a high temperature to ...

  4. Lumber - Wikipedia

    en.wikipedia.org/wiki/Lumber

    In 1961, at a meeting in Scottsdale, Arizona, the Committee on Grade Simplification and Standardization agreed to what is now the current U.S. standard: in part, the dressed size of a 1-inch (nominal) board was fixed at 3 ⁄ 4 inch; while the dressed size of 2 inch (nominal) lumber was reduced from 1 + 5 ⁄ 8 inch to the current 1 + 1 ⁄ 2 ...

  5. Cutting stock problem - Wikipedia

    en.wikipedia.org/wiki/Cutting_stock_problem

    A simple lower bound is obtained by dividing the total amount of product by the size of each master roll. The total product required is 1380 x 22 + 1520 x 25 + ... + 2200 x 20 = 407160 mm. Each master roll is 5600 mm, requiring a minimum of 72.7 rolls, which means 73 rolls or more are required.

  6. Medium-density fibreboard - Wikipedia

    en.wikipedia.org/wiki/Medium-density_fibreboard

    A sample of MDF. Medium-density fibreboard (MDF) is an engineered wood product made by breaking down hardwood or softwood residuals into wood fibre, often in a defibrator, combining it with wax and a resin binder, and forming it into panels by applying high temperature and pressure. [1]

  7. Could Retirees See Social Security Benefits Cut Under Trump?

    www.aol.com/could-retirees-see-social-security...

    Social Security is the U.S. government's biggest program; as of June 30, 2024, about 67.9 million people, or one in five Americans, collected Social Security benefits. This year, we're seeing a...

  8. Fiberboard - Wikipedia

    en.wikipedia.org/wiki/Fiberboard

    Fiberboard manufacture begins with wood chipping: fresh or recycled wood material is cut and sorted to small pieces of similar size. Chips are washed to remove things such as dirt and sand. Metal scraps such as nails can be removed with a magnet placed over a conveyor belt on which the chips move forward.

  9. 5 Items From the 1970s That Are Worth a Lot of Money - AOL

    www.aol.com/5-items-1970s-worth-lot-170007423.html

    Technically, anything over 20 years old can be coined “vintage.”But when you truly think of items worth this title, your brain doesn’t go to Beanie Babies.