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  2. List of commercially available roofing materials - Wikipedia

    en.wikipedia.org/wiki/List_of_commercially...

    Standing-seam metal roof with concealed fasteners. Mechanically seamed metal with concealed fasteners contains sealant in seams for use on very low sloped roofs, suitable for roofs of low pitch such as 0.5/12 to 3/12 pitch. Flat-seam metal with or without soldered seams. Steel coated with a coloured alloy of zinc and aluminium. Stone-coated ...

  3. Shovel - Wikipedia

    en.wikipedia.org/wiki/Shovel

    roofing shovel: A specialized prying tool that evolved from use of spading forks and pitchforks to remove old roof shingles and underlayment as part of roof repair. square shovel: A general category of shovel that includes many types with a generally square outline (rather than being pointed like many spades are). scoop

  4. Plough - Wikipedia

    en.wikipedia.org/wiki/Plough

    This limited the construction to a small amount of wood (although metal edges were possible). These ploughs were fairly fragile and unsuitable for the heavier soils of northern Europe. The introduction of wheels to replace the runner allowed the weight of the plough to increase, and in turn the use of a larger mould-board faced in metal.

  5. List of roof shapes - Wikipedia

    en.wikipedia.org/wiki/List_of_roof_shapes

    Butterfly roof (V-roof, [8] London roof [9]): A V-shaped roof resembling an open book. A kink separates the roof into two parts running towards each other at an obtuse angle. Karahafu: A type of gable found in some traditional Japanese buildings. Hidden roof: A type of Japanese roof construction.

  6. Covering (construction) - Wikipedia

    en.wikipedia.org/wiki/Covering_(construction)

    The roof covering is the exterior part of the roof and does not contribute to the building's stability. It is designed to endure all weather conditions such as rain, snow, hail, and wind, as well as external environmental factors like marine environments and the weight of maintenance personnel.

  7. These silly snowplow names are getting attention. Here are ...

    www.aol.com/plow-doin-catch-drift-meet-184659643...

    Municipalities across the United States have adopted similar snow plow trackers. Arlington County in Virginia began its naming contest this year to spread the word about its snow and ice map .

  8. Excavator - Wikipedia

    en.wikipedia.org/wiki/Excavator

    Excavators are heavy construction equipment primarily consisting of a boom, dipper (or stick), bucket, and cab on a rotating platform known as the "house". [ 1 ] The modern excavator's house sits atop an undercarriage with tracks or wheels , being an evolution of the steam shovel (which itself evolved into the power shovel when steam was ...

  9. Ard (plough) - Wikipedia

    en.wikipedia.org/wiki/Ard_(plough)

    The ard, ard plough, [1] or scratch plough [2] is a simple light plough without a mouldboard.It is symmetrical on either side of its line of draft and is fitted with a symmetrical share that traces a shallow furrow but does not invert the soil.