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An empty boat trailer. A boat trailer is designed to launch, retrieve, carry and sometimes store boats. As of 2024, the cost of a boat trailer can be anywhere between $700 to $8000, depending on the size and number of axles the trailer has. [1]
A barrel roof on the skylights of the Loop5 shopping mall in Darmstadt, Germany. A barrel roof is a curved roof that, especially from below, is curved like a cut-away barrel . They have some advantages over dome roofs, especially being able to cover rectangular buildings, [ 1 ] due to their uniform cross-section.
Man piloting a jon boat on the Speed River within Idylwild Park. A flat-bottomed boat is a boat with a shallow draft, two-chined hull, which allows it to be used in shallow bodies of water, such as rivers, because it is less likely to ground. The flat hull also makes the boat more stable in calm water, which is good for hunters and anglers ...
This boat was twenty-five feet (7.62 m) long by six feet (1.83 m) wide, and was managed by three negroes,—the "steersman", who guided the boat with a long and powerful oar; the headsman, who stood on the bow to direct the steersman by waving his arms; and an extra hand, who assisted with an oar in the eddies and smooth parts of the river.
Also called building tile, structural terra cotta, hollow tile, saltillo tile, and clay block, the material is an extruded clay shape with substantial depth that allows it to be laid in the same manner as other clay or concrete masonry. In North America it was chiefly used during the late 19th and early 20th centuries, reaching peak popularity ...
The tegula is a flat tile laid against the surface of the roof, while the imbrex is a semi-cylindrical tile laid over the joints between tegulae. In early designs tegula were perfectly flat, however over time they were designed to have ridges along their edges to channel water away from the gaps between tiles.
A johnboat in Florida, 1972 A small modern johnboat in the bed of a pickup truck. A johnboat [1] is a flat-bottomed boat [2] constructed of aluminum, fiberglass, wood, or polyethelene with one, two, or three seats, usually bench type.
A live bottom trailer is a semi-trailer used for hauling loose material such as asphalt, grain, potatoes, sand and gravel. A live bottom trailer is the alternative to a dump truck or an end dump trailer. The typical live bottom trailer has a conveyor belt on the bottom of the trailer tub that pushes the material out of the back of the trailer ...