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.
what is tonne unit a tonne t also referred to as a metric tonne is a unit of mass equal to 1000 kg or approximately the mass of one cubic meter of water at four degrees celsius