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An extension ladder. A ladder is a vertical or inclined set of rungs or steps commonly used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such as those made of rope or aluminium, that may be hung from the top.
Stringer board, stringer, or sometimes just string: The structural member that supports the treads and risers in standard staircases. There are typically three stringers, one on either side and one in the center, with more added as necessary for wider spans. Side stringers are sometimes dadoed to receive risers and treads for increased support ...
Bumpers also had a technical reason for existence: Early videotape machines took several seconds to start playing video in proper synchronization with the program source. The board operator would cue the tape with a "preroll" of several seconds then use the start of the bumper as a signal to start the tape before "taking" it at the bumper's end.
Stringer (aircraft), or longeron, a strip of wood or metal to which the skin of an aircraft is fastened; Stringer (slag), an inclusion, possibly leading to a defect, in cast metal; Stringer (stairs), the structural member in a stairway that supports the treads and risers; Stringer (surfing), a thin piece of wood running from nose to tail of a ...
Vimeo announced the expected 11 members of its board of directors ahead of the video-hosting platform’s spinoff from IAC — a group that includes noted filmmakers Spike Lee and George C. Wolfe.
However, in cases of non-prismatic members, such as the case of the tapered beams or columns or notched stair stringers, the flexural rigidity will vary along the length of the beam as well. The flexural rigidity, moment, and transverse displacement are related by the following equation along the length of the rod, x {\displaystyle x} :
Conner Foster plays Eric Hayes, a stringer who discovers gruesome atrocities, in the 2003 film The Ghouls. [6] Lou Bloom, played by Jake Gyllenhaal in the 2014 film Nightcrawler, is a stringer. [6] The 2017 Netflix series, Shot in the Dark, follows a group of stringers in Los Angeles, California. [6] The 2021 BBC documentary Whirlybird: Live ...
Trampboarding is a variant of skateboarding that uses a board without the trucks and the wheels on a trampoline. Using the bounce of the trampoline gives height to perform tricks, whereas in skateboarding one needs to make the height by performing an ollie. Trampboarding is seen on YouTube in numerous videos. [128]