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In rock climbing, an overhang is a type of route that leans back at an angle of over 90 degrees for part or all of the climb, and at its most severe can be a horizontal roof. Overhang (and roof) climbs have existed throughout climbing, originally in aid climbing where mechanical devices were used to first scale them.
In rock climbing a slab climb (or friction climb) is a type of climbing route where the rock face is 'off-angle' and not fully vertical. While the softer angle enables climbers to place more of their body weight on their feet, slab climbs maintain the challenge by having smaller holds.
A A-grade Also aid climbing grade. The technical difficulty grading system for aid climbing (both for "original" and an adapted version for "new wave"), which goes: A0, A1, A2, A3, A4, A5 and up to A6 (for "new wave"). See C-grade. Abalakov thread Abalakov thread Also V-thread. A type of anchor used in abseiling especially in winter and in ice climbing. ABD Also assisted braking device. A term ...
Deep-water soloing (DWS), is a subtype of free solo climbing performed on rock faces that overhang above water where in the case of a fall, the climber lands in the water. [2] Extreme deep-water solo routes have falls of over 20–40 metres (66–131 ft), and thus a risk of serious injury. [2]
A flat slab forming the uppermost member or division of the capital of a column. Accolade A sculptural embellishment of an arch. Aisle The subsidiary space alongside the body of a building, separated from it by columns, piers, or posts. Ante-choir
In 1935 W.A. de Vigier designed an adjustable steel prop which revolutionized many aspects of the construction industry including to support slab formwork, wall formwork, trench sheeting and falsework. [3] Materials from which falsework systems are manufactured have also diversified from traditional steel and timber to aluminium components.
It was a natural material for awning frames, easily bent and threaded together to make a range of different shapes and sizes. At the same time the advent of the steamship forced canvas mills and sail makers to search for new markets. An awning industry developed offering an array of frame and fabric options adaptable to both storefronts and ...
In speech, a time given in 24-hour format is always followed by the word horas: el concierto comenzará a las 15:30 "quince y treinta" horas ("the concert will start at 15:30"). Fractional seconds are given in decimal notation, with punctuation marks used to separate the units of time (full stop, comma or single quotation marks). For elapsed ...