Either a low urgency like a Facebook notification, a medium range urgency like a check engine, and finally, a high level urgency, like an incoming collision warning.
UNIDENTIFIED MALE: At Aviation High School, we take all your regular academic classes, English, Social Studies, Physical Education but then also we have ground operations, carborative magnetos, jet engines.
Wiping his streaming eyes on his jacket sleeve, Hagrid swung himself onto the motorcycle and kicked the engine into life; with a roar it rose into the air and off into the night.
And facilities like this one are built to make sure the engines with their 10's of thousands of parts can handle that pressure long before they're mounted on a plane and put in the air.
The breakwater will contain sixteen hydro turbines, and as the tide rises, water rushes through the breakwater, activating the turbines, which turn a generator to produce electricity.
They're less polluted to drive than gas powered cars and they offer more design options without a big engine and transmission getting in the way but they're more expensive.