Like the mechanical version of the Magic 8-Ball, your spark plugs may have the answers for you. The trick is learning how to read your spark plugs. With help from the spark plug experts at NGK, weâll teach you how to diagnose minor tuning issues or potentially major engine problems by examining your spark plugs. Check out the images below, courtesy of NGK Spark Plugs, and get ready to do a little light reading the next time you pull your spark plugs.
Oslo City Hall, an 8.6 meter clock on the east tower south side. Raketa Monumental in Detsky Mir on Lubyanka Square in Moscow, 8-meter clocks with a 13 meters pendulum. It is the world's largest clock movement. Total weight of the movement is 5 tons.
1 Big Ben is the largest four-faced chiming clock in the world. 2  Each clock face has a diameter of 23 feet (7m) and is made up of 312 panes of opal glass. 3  The minute hand is 14 feet (4.25m) long and weighs 2.5 cwt (129 kg)  The hour hand is 9 feet (2.7m) long and weighs 0.8cwt (40 kg)