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Roll shutters on windows. Security roller shutters in a dead mall. A roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple horizontal slats, bars, or web systems interconnected through hinges. The mechanism involves lifting the door to open ...
High Speed Doors are an evolution of the traditional roller shutter door (hence the alternative name they are often given of Rapid Roll Doors). They are primarily designed to give higher operating speeds, improved sealing and sustain a higher number of opening & closing cycles than traditional roller shutters, without compromising reliability ...
Trial runs of the Hybrid Electric Train was conducted in July 2018. [10] The first commercial operations of the Hybrid Electric Train began on May 6, 2019, where it served the Alabang-Calamba Line thrice a day. [12] [13] The train was officially turned over to the Philippine National Railways on June 20, 2019. [14]
In the automotive industry, a gull-wing door, also known as a falcon-wing door or an up-door, is a car door that is hinged at the roof rather than the side, as pioneered by Mercedes-Benz 300 SL, first as a race car in 1952 , and then as a production sports car in 1954. Opening upwards, the doors evoke the image of a seagull's wings.
A typical single-car garage roller door has a preloaded spring inside the rolling mechanism. The spring reduces the effort required to open the door. Oversized roller doors in commercial premises are not sprung (except in the US), and a manual pulley and chain system or a geared motor is used to raise and lower (roll up and roll down) the door.
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DETAIL is the international professional journal for architecture and construction details produced by Detail publishers. Each issue deals with a specific aspect of building, such as concrete construction, roof structures or refurbishment, whereby emphasis is placed on the quality of the building details.
The Chinese Beijing Automobile Works, formerly Beijing Jeep, BJ212 (Chinese: 北京212) and BAW BJ2020 is a four-wheel drive, originally a 2.4 L (2445 cc) four-cylinder gas-engine powered (four-cylinder diesel engines were added in the 2000s [2]) light-duty offroad utility vehicle in the half tonne class.