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 was invented in Britain in the eighteenth century because that was where it paid to invent it. The success of R&D programmes in eighteenth century Britain depended on another characteristic of the high wage economy.he Industrial Revolution was invented in Britain in the eighteenth century because that was where it paid to invent it. The success of R&D programmes in eighteenth century Britain depended on another characteristic of the high wage economy.