The Goldstone Report sparked outrage in Israel, which said that its three-week assault on Gaza was legitimate self-defense against years of Palestinian rocket attacks.
Alo on display will be electronic engine control, currently in production to upgrade CH-47 and UH-60 helicopter engine for the U.S. Army and National Guard.
It was the worst attack so far on the peaceful demonstrators in Taiz, a poor city four hours south of the capital, Sana'a, where there have been many protests since unrest broke out earlier this year.
The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward, thereby increasing the speed of the engine and cutting its fuel consumption.