But the city of today is very different from the one of the late 1960s and â70s, when dictates to achieve racial balance first prompted âwhite flightâ from the public schools. From 1967 to 1974, the percentage of white students in the cityâs public schools plunged to 52 percent from 72 percent. By 1977, black students outnumbered whites; by 2009, Latinos outnumbered blacks.
It allows them to remotely halt high-speed hunt. Remote vehicle shutdown auto technology. In 2009, General Motors planned to equip this system in 1.7 million new cars that allows pursuing offices to request that engines of stolen cars be remotely switched off with the use of OnStar mobile communications system.
Air Intake Shut Off Valve-Emergency shut down valve. Butterfly style valve used to positively seal off intake air to engine for emergency shutdown/stopping runaway diesel engines. Choose manual, electric, hydraulic, or pneumatic operation.ORDER INFORMATION IS AVAILABLE BY CALLING TOLL FREE 1-877-244-4883.n alternator signal is also an acceptable speed signal source. When the RPM s exceed the switch s set point, the switch trips, sending an electric signal to the AMOT AIR INTAKE SHUT OFF VALVE and shuts the engine down. 2.