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.
During the First Industrial Revolution, the fastest mode of transportation was the railway. While railways were effective for long-distance travel, short-distance travel was limited to horse and carriage. During the Second Industrial Revolution, great advances were made in transportation.he First Industrial Revolution saw steam-powered machines replace human labour in industry. The Second Industrial Revolution saw electricity replace steam as the main power source in industry. Major innovations were made in the use of new energy sources such as gas and electricity.