When the US entered World War II in 1941, copper and tin were in short supply. Both metals were needed for the war effort and by 1943, the US Mint had authorization from Congress to alter the metal content of the penny to save on copper and tin. Issued only in 1943, the Steel Cent...
1 high-end equipment industry belt; More than 8 billion level enterprise groups; 20 leading industrial clusters worth over 50 billion yuan; More than 50 leading enterprises with a scale of over 10 billion yuan; More than 150 "specialized and high-tech" single champion enterprises Exhibition Intro...
AC motors are electrical devices that convert electrical current into mechanical rotational energy, or torque, by using alternating current (AC) from an electrical power grid or electrical generator. General purpose AC motors, also known as induction motors, are electric motors that use a rotating ...
Industrials 8.95% Communication 7.76% Consumer Defensive 5.19% Energy 4.87% Basic Material 2.39% Real Estate 2.25% Utilities 2.21% Bonds, Cash & Other Municipal 84.48% Cash & Equivalents 14.55% Chart Pie chart with 13 slices. End of interactive chart. ...
Metal Housing 24V Industrial Power Supply 12V 5A 60W AC DC Smps Power Supply PC For LED Strip CCTV Camera Product Description Input: 220-240VAC 50Hz Output Voltage: 12V-24V DC Rated Power: 60W max Approvals: CE/RoHS Features : 1. Universal AC input/full ...