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Winders: Winders are steps that are narrower on one side than the other. They are used to change the direction of the stairs without landings. A series of winders form a circular or helical stairway. When three steps are used to turn a 90° corner, the middle step is called a kite winder as a kite-shaped quadrilateral.
A stair tread is the horizontal portion of a set of stairs on which a person walks. The tread can be composed of wood, metal, plastic, or other materials. In residential settings, treads can be covered in carpeting. Stair treads can come in non-slip varieties, particularly in commercial or industrial locations. [1]
A staircase with two missing stairs and a warning sign, where the structural problem has not been fixed yet. The missing stair is a metaphor for a person within a social group or organization who many people know is untrustworthy or otherwise has to be "managed," but around whom the group chooses to work by discreetly warning newcomers of their behavior, rather than address the person and ...
As the surfer passes the flying ray, the end of its long tail gets dangerously close. Then it lands back in the water, and the surfer and the ray both go on to enjoy the ocean.
The kite experiment is a scientific experiment in which a kite with a pointed conductive wire attached to its apex is flown near thunder clouds to collect static ...
The kite that made him famous is known as the "Peter Powell Stunter". It became an international bestselling kite in 1976. [ 2 ] Very early on, Powell's kites had spars made of ramin ( Gonystylus ) which were later replaced with aluminium tubing and, later still, by glass fibre spars.
The staircase model is a psychological explanation as to why, out of large numbers of disgruntled people in society, only a very small minority end up committing acts of terrorism. It was proposed in 2005 by Fathali M. Moghaddam in his paper "The Staircase to Terrorism". [ 1 ]
A kite surfer's GoPro camera captured the moment he collided with a juvenile humpback as it leapt from the sea off Sydney's Northern Beaches on Wednesday, 25 October. Jason Breen, 55, was surfing ...