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A balanced-arm lamp has a base, a stand or body, (in most cases) two connected arms (in many cases fitted with springs), and a lamp-head.. The lamp can be moved into almost any position, and the balancing device will maintain the position until moved again.
Full service charge: the full amount of propellant intended for use in action at maximum range, for the usual shell. If a gun had e.g. a "heavy" and a "light" shell, there would be a separate charge associated with the heavy and light shells. Reduced service charge: for practice or firing star shells (which were lighter than the normal shell).
Using a C-stand safely is a matter of proper technique, and on the job training. When setting and tightening a grip arm, flag or other equipment in the grip head, it is crucial that the gear be set to one side of the grip head such that the weight causes the locking knob to tighten clockwise, or "righty tighty".
Stiction (a portmanteau of the words static and friction) [1] is the force that needs to be overcome to enable relative motion of stationary objects in contact. [2] Any solid objects pressing against each other (but not sliding) will require some threshold of force parallel to the surface of contact in order to overcome static adhesion. [3]
The A-series light bulb is the "classic" glass light bulb shape that has been the most commonly used type for general lighting service (GLS) applications since the early 20th century. It has a pear-like shape and is typically fitted to either an Edison screw or a bayonet cap base.
Retort stand. In chemistry, a retort stand, also called a clamp stand, [1] a ring stand, [2] or a support stand, [3] is a piece of scientific equipment intended to support other pieces of equipment and glassware — for instance, burettes, test tubes and flasks. [4] The typical ring stand consists of a heavy base and a vertical rod, both ...
Keep floors pristine. People use furniture foot pads to protect hardwood floors. Amazon shoppers rave about how the Ruby Sliders knock it out of the park.
An igniting match. A match is a tool for starting a fire.Typically, matches are made of small wooden sticks or stiff paper.One end is coated with a material that can be ignited by friction generated by striking the match against a suitable surface. [1]