The cigarette lighter was invented before the match.
210
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Originally, Nintendo was a playing card manufacturer.
70
Castor oil is used as a lubricant in jet planes.
-5
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1



