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Marston Mat, more properly called pierced (or perforated) steel planking (PSP), is standardized, perforated steel matting material developed by the United States at the Waterways Experiment Station shortly before World War II, primarily for the rapid construction of temporary runways and landing strips (also misspelled as Marsden matting).
RC Willey was founded in 1932 in Syracuse, Utah, then a farming community.. In 1932 Rufus Call Willey began selling Hotpoint Brand appliances door-to-door in Syracuse, Utah. . Employed by the local electric company, he first started selling appliances from the back of his pick-up truck on the side as he made his rou
In December 2015, Rural King announced they had reached, for the first time, $1 billion in total sales. [7] In 2017, Rural King purchased the Cross County Mall in Mattoon, Illinois. In July 2018, Rural King finalized their plans for the mall and decided to move the Mattoon Rural King store location into the former Sears space to drive more ...
An interlocking system is designed so that it is impossible to display a signal to proceed unless the route to be used is proven safe. Interlocking is a safety measure designed to prevent signals and points/switches from being changed in an improper sequence. For example, interlocking would prevent a signal from being changed to indicate a ...
Modern fifth wheels allow the trailers to slide into the fifth wheel and lock into it very reliably when maintained and serviced properly. The engagement of the king pin into the fifth-wheel locking mechanism is the only means of connection between tractor and trailer; no other device or safety mechanism is used.
Artist Lucy Telles and large basket, in Yosemite National Park, 1933 A woman weaves a basket in Cameroon Woven bamboo basket for sale in K. R. Market, Bangalore, India. Basket weaving (also basketry or basket making) is the process of weaving or sewing pliable materials into three-dimensional artifacts, such as baskets, mats, mesh bags or even furniture.
4x6 (four-by-six) may refer as: A common photo print size; A common term for vehicles with "4 wheel drive", but have 6 wheels total, like for instance the semi ...
One of a pair of stall strips installed on an American Aviation AA-1 Yankee during manufacture. A stall strip is a small component fixed to the leading edge of the wing of an airplane to modify its aerodynamic characteristics. [1] These stall strips may be necessary for the airplane to comply with type certification requirements.