OK . . .What does a 5W-30 do that an SAE 30 won't? When you see a W on a viscosity rating it means that this oil viscosity has been tested at a Colder temperature. The numbers without the W are all tested at 210Â° F or 100Â° C which is considered an approximation of engine operating temperature.
(Answer #1). The Industrial Revolution was a time when the world's economy started to be more industrialized -- things came to be made in factories rather than by individual artisans. Great Britain took the lead in this largely because of geography.y about mid nineteenth century it took firm roots in western Europe and northeastern USA. The industrial revolution first developed in Great Britain for several reasons. The two most important of these are abundant supply of coal and iron and the economic advantages accruing to the country because of its colony.
The Industrial Revolution began in Britain for a number of different reasons. See Image One. Britain had access to a number of natural resources, such as iron and coal. The agricultural sector of the British economy had been steadily growing during the 18th century.ee Image Two. Britain was home to large deposits of iron and coal. These two minerals were the key to the Industrial Revolution. Since iron and coal did not have to be imported, the British economy did not suffer any shortages and the Industrial Revolution gained momentum.