I recently did some maintenance work on my vehicle before the Fall/Winter comes . Changed the Oil , Transmission fluid , brake fluid , power steering fluid , windshield wipers . Cleaned out carburetor and air sensor . Lubricated all the rubber belts , door window seals , doors ,locks and moving parts . Check antifreeze / new radiator cap . Cleaned and sealed battery cables and connections . Polished head lights , new seat covers , floor mats .

The International Space Station is the size of a Football field , travels through space at 5 miles per second , and has a crew of 15 . Tons of moving parts , Interior and exterior , rubber seals and gaskets , hydraulics , fuel , IT , electrical , wires , hinges , locks , communications , air supply , waste , plumbing ..and a crew of 15 maintains this craft ? Ok get out the famous wrench .