The main difference is the conformation and uses. While a donkey can be ridden, horses are used more for sport, and donkeys are normally used for pack animals or as companion â¦ animals. A mule is a cross between a horse and a donkey, is often infertile and is used for the same thing as a donkey.
Changing an Air Filter. Before you start heaving luggage out of your car's side windows or imposing passenger weight restrictions to improve your vehicle's mileage, check the air filter. A dirty or clogged air filter can alter your vehicle's gas mileage by up to 10%.ext, remove the filter and inspect it for dirt by bending back the paper ridges. If deemed filthy, go purchase a new one. Insert the new filter and make sure the casing is tightly secured. Not only is this fast, but cost efficient. Most quick lube shops charge up $20 to change an air filter.
25free of sludge, dirt, varnish and other con-taminantsChanging oil is a frequent and easy task. Oil change intervals are usually every 50 hours for engines with an oil filter, and every 25 hours for those with only an oil screen. It can be ex-pensive to have this done at a shop.The prior owner of my airplane spent over $300 every 25 hours for an oil change, which represents $12 per hour of flight.afety wire the filter to the engine. If your engine does not have an oil filter, then you need to inspect the screen. Prepare an oil drip catcher using an old oil bottle and place below the screen area â along with plenty of rags. Remove the safety wire on the oil screen and remove the screen.