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).
a transmission fluid change is probably the most common service people get on their cars in fact a transmission fluid change is often referred to as a transmission service there s also the transmission flush though which some consider more effective you can read more about the cost of a transmission flush here but back to the topic at hand it s suggested that you get a fluid change every 30000 to 60000 miles or once every 2 years what is most important when getting a fluid change is to make sure the pan is cleaned and the filter is replaced