Place of work Place and industrial models tend to be marketed in sq. ft. Steel pipe measurements are sold in increments of inches, even though copper pipe is offered in increments of millimetres. Highway bicycles have their frames measured in centimetres, though off-highway bicycles have their frames measured in inches. http://charlieobktd.bloggerswise.com/14811172/5-easy-facts-about-how-much-does-a-half-gallon-of-milk-weigh-described