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Aerial drone footage of the Roman Rock Lighthouse off the southern coast of South Africa. A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways.
History of lighthouses. The Tower of Hercules, a lighthouse of Roman origin at A Coruña in northwest Spain, modelled on the Pharos of Alexandria. The History of Lighthouses refers to the development of the use of towers, buildings, or other types of structure, as an aid to navigation for maritime pilots at sea or on inland waterways.
Sabah, Malaysia. Framing, in construction, is the fitting together of pieces to give a structure support and shape. [1] Framing materials are usually wood, engineered wood, or structural steel. The alternative to framed construction is generally called mass wall construction, where horizontal layers of stacked materials such as log building ...
A load-bearing wall or bearing wall is a wall that is an active structural element of a building, which holds the weight of the elements above it, by conducting its weight to a foundation structure below it. Load -bearing walls are one of the earliest forms of construction. The development of the flying buttress in Gothic architecture allowed ...
The San Diego Trolley, the most heavily utilized light rail system in the United States.. Light rail is a mode of rail-based transport, usually urban in nature. When compared to heavy rail systems like commuter rail or rapid transit (subway), light rail systems are typically designed to carry fewer passengers and are capable of operating in mixed traffic (street running) or on routes that are ...
Lightwell. In architecture, a lightwell, [NB 1] sky-well, [NB 2] or air shaft is an unroofed or roofed external space provided within the volume of a large building to allow light and air to reach what would otherwise be a dark or unventilated area. Lightwells may be lined with glazed bricks to increase the reflection of sunlight within the space.
The conservation and restoration of lighthouses is when lighthouse structures are preserved through detailed examination, cleaning, and in-kind replacement of materials. Given the wide variety of materials used to construct lighthouses, a variety of techniques and considerations are required. Lighthouses alert seagoers of rocky shores nearby ...
Light tube. Light tubes (also known as solar pipes, tubular skylights or sun tunnels [1]) are structures that transmit or distribute natural or artificial light for the purpose of illumination and are examples of optical waveguides . In their application to daylighting, they are also often called tubular daylighting devices, sun pipes, sun ...
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