Facts prove otherwise. It takes just 30 minutes to mow the average home lawn. Average is 10,000 square feet (929 square meters) of turfgrass. You will spend only 11 hours annually when mowing once a week during a seven-month growing season using a 19-inch (48.26 cm), walk-behind rotary (or reel) mower.acts prove otherwise. It takes just 30 minutes to mow the average home lawn. Average is 10,000 square feet (929 square meters) of turfgrass. You will spend only 11 hours annually when mowing once a week during a seven-month growing season using a 19-inch (48.26 cm), walk-behind rotary (or reel) mower.
tonne. n. 1. (Units) a unit of mass equal to 1000 kg or 2204.6 pounds. Also called (not in technical use): metric ton.
In non-U.S. measurements, a ton equals 2,240 pounds. A tonne, also known as a metric ton, is a unit of mass equaling 1,000 kilograms. American English speakers generally have no use for tonne, so the spelling rarely appears in U.S. publications. Elsewhere, fastidious publications use the appropriate spellings for the units of measurement.