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In 1990, the Earth Communications Office, a coalition formed within the US entertainment industry focused on the environment, launched a movement called “Ban the Box” in an effort to eliminate longboxes. [5] [6] The satirical band Spinal Tap's 1992 studio album Break Like the Wind was sold in an "extra-long box" (an 18 inches (46 cm) longbox).
Around 1993, there was a general shift to the rear jewel case being made of clear plastic instead of black or coloured. The front lid contains two, four, or six tabs to keep any liner notes in place. The liner notes typically will be a 120 by 120 millimetres (4.7 in × 4.7 in) booklet, or a single 242 by 120 millimetres (9.5 in × 4.7 in) leaf ...
Display case shows and protects a painting by a follower of Robert Campin. A display case (also called a showcase, display cabinet, shadow box, or vitrine) is a cabinet with one or often more transparent tempered glass (or plastic, normally acrylic for strength) surfaces, used to display objects for viewing.
A rubber or plastic rack protects the cuvette from accidentally hitting and being scratched by the machine casing. The solvent and temperature can also affect measurements. [ 4 ] Cuvettes to be used in circular dichroism [ 5 ] experiments should never be mechanically stressed, as the stress will induce birefringence [ 6 ] in the quartz and ...
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They are commonly made from clear plastic. The most common set squares are 45° squares, (one 90° corner and two 45° corners) and 60/30 triangles (a 90°, a 60° and a 30° corner). Another type of set square is an adjustable square, which features an edge that can be adjusted to any angle from 0° to 90°. [19] [20]
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