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A bronze casting showing the sprue and risers. A riser, also known as a feeder, [1] is a reservoir built into a metal casting mold to prevent cavities due to shrinkage.Most metals are less dense as a liquid than as a solid so castings shrink upon cooling, which can leave a void at the last point to solidify.
The following is a list of all urban rail transit systems in Latin America, ranked by passenger ridership. These kinds of systems are most commonly known as metro (or subway in English), but may also be known as subte, tren, or tranvía systems.
Front and side views of a 3-ring (mini rings) release system on a single riser of a packed main parachute. Since the introduction of the 3-ring system, variations in the design have raised safety concerns. For example, the move to mini rings and mini risers caused riser failures on some designs [6] until riser strength
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From January 2008 to December 2012, if you bought shares in companies when H. Lee Scott, Jr. joined the board, and sold them when he left, you would have a 37.7 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
Alcotán-100 is a recoilless, one-man portable, single-use (firing control unit is reusable) anti-tank rocket launcher system used by infantry, manufactured by Instalaza. [1] [3] The firing control unit predicts the future aiming point based on calculation before the rocket fire. [1]
Spanish Fort — 21000 Town Center Ave. Arkansas. Little Rock West — 13909 Chenal Pkwy. California. Balboa (San Diego) — 5505 Balboa Ave. Encinitas — 134 N El Camino Real.