31.   The company, Safe Transportation Systems, says its mechanical system prevents cabs from getting out of alignment with trailers.

32.   The evolution of mechanical tabulating systems based on punch cards led to IBM.

33.   The homes will have such features as energy-efficient mechanical systems, additional insulation, and air handling systems that increase indoor air quality.

34.   The last thing New York needs is another mechanical system that keeps people apart.

35.   The mechanical systems are first-rate, too, including the powerful diesel engine.

36.   The pin spotter used a mechanical suction system to lift the pins and set them back down.

37.   The ship was anchored off the Caribbean resort island at the beginning of an initial cruise conducted to test its equipment and mechanical systems.

38.   These Lilliputian sensors, motors, nozzles, valves or other mechanical systems will be able to sense heat, light, motion and sound.

39.   They are filled with inert gas to prevent corrosion, and require no mechanical cooling systems.

40.   To be sure, the styling and interior designs have been freshened since then, but the mechanical systems have been tweaked only slightly.