Calcium compounds are widely used. There are vast deposits of limestone (calcium carbonate) used directly as a building stone and indirectly for cement. When limestone is heated in kilns it gives off carbon dioxide gas leaving behind quicklime (calcium oxide).
How to Change Transmission Fluid. Transmission fluid needs to be changed from time to time in order to extend the life of the transmission, usually every 30,000â60,000 miles (48,000â97,000 km) (sometimes more â check your owner's manual for service intervals).
By keeping up with the your vehicle's recommended transmission fluid change schedule, you can keep your transmission in good working order and decrease the likelihood of costly transmission repairs down the road.In many cases, a transmission fluid exchange is due every 30,000 miles or 2 years.nother thing to look out for is a transmission fluid leak. While the transmission fluid in manual transmission vehicles doesn't tend to naturally break down on its own, loose parts or impact from road debris can cause leaks and low fluid levels.