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6-3-5 Brainwriting (or 635 Method, Method 635) is a group-structured brainstorming technique [1] aimed at aiding innovation processes by stimulating creativity developed by Bernd Rohrbach who originally published it in a German sales magazine, the Absatzwirtschaft, in 1968.
1. Squat. Stand with your feet shoulder-width apart, holding a barbell across your upper back. Lower your body by bending your hips and knees, keeping your chest up and back straight. Push through ...
The NIOSH lifting equation is a tool (now application) that can be used by health and safety professionals to assess employees who are exposed to manual lifting or handling of materials. [7] The NIOSH lifting equation is a mathematical calculation which calculates the Recommended Weight Limit (RWL) using a series of tables, variables, and ...
A block is a set of pulleys or sheaves mounted on a single frame. An assembly of blocks with a rope threaded through the pulleys is called tackle. The process of threading ropes or cables through blocks is called " reeving ", and a threaded block and tackle is said to have been "rove". [7] A block and tackle system amplifies the tension force ...
In mathematics, lifting theory was first introduced by John von Neumann in a pioneering paper from 1931, in which he answered a question raised by Alfréd Haar. [1] The theory was further developed by Dorothy Maharam (1958) [2] and by Alexandra Ionescu Tulcea and Cassius Ionescu Tulcea (1961). [3] Lifting theory was motivated to a large extent ...
A handling strap can help the lifting. The strap for this use should be 6 m (20 ft) long, at least 3 cm (1.2 in) wide to share out the weight and avoid the pain, and resist at least to a weight of 150 kg (330 lb). The strap is slid under the casualty: the flat profile can slide easily under the back and the pelvis without lifting the casualty.
The "nine dots" puzzle. The puzzle asks to link all nine dots using four straight lines or fewer, without lifting the pen. The nine dots puzzle is a mathematical puzzle whose task is to connect nine squarely arranged points with a pen by four (or fewer) straight lines without lifting the pen. The puzzle has appeared under various other names ...
The Vortex lattice method, (VLM), is a numerical method used in computational fluid dynamics, mainly in the early stages of aircraft design and in aerodynamic education at university level. The VLM models the lifting surfaces, such as a wing , of an aircraft as an infinitely thin sheet of discrete vortices to compute lift and induced drag .