Resources
- Something about the door closer[2010-01-19]
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- The mould[2010-01-14]
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- Steel Security Door, a Better Choice for the Workplace[2010-10-26]
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Many business men are unsure whether they shall choose the steel security door or wooden door for their workplace. The steel security door is expensive while it has a better quality relative to wooden door. The following analysis will help them to make the decision. Statistics reflect that more than 70% of burglars focus on a building’s door to gai...
- Doors with Their Hinges[2010-10-21]
Most doors have hinges to allow the doors to pivot away from the doorway in one direction but not in the other. And doors can be hinged so that the axis of rotation is not in the plane of the door to reduce the space required on the side to which the door opens. The axis of rotation is usually vertical. In some cases, such as hinged garage doors, t...- Knowledge about Fire Door[2010-10-20]
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A fire door is a door with a fire-resistance rating (sometimes referred to as a fire protection rating for closures) used as part of a passive fire protection system to reduce the spread of fire or smoke between compartments and to enable safe egress from a building or structure or ship. In North American building codes, it, along with fire dampers, is of...
- Something about the revolving door[2010-02-24]
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- The introduction of the door hooks[2009-11-22]
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- Something about the door stops[2009-11-21]
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- The PVC window[2008-08-28]
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Now we look at the PVC. The poly vinyl chloride (PVC) - is one of the earliest manmade materials. For the first time it was created by chemist Reginald in 1835. Since 1912 began the searches for the possibilities of industrial production PVC, and in 1931 concern BASF released the first tons of this material. &nbs...
- Something about the wooden window[2008-08-27]
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Today we see the wooden window very litter. But it is used very long and has many values. It is a culture for us not a window. We need to know more about it. Now let us have a look at its history. The earliest wooden window existed in America. The first windows in early American houses were casement windows; that is, they ...
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