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What prevents metal to metal contact in cars?
Oil, Lube, Grease,
Why do people apply grease to hinges that creak?
The grease or oil will lubricate the two metal surfaces of the hinge, preventing bare metal to metal that will cause the squeak.
Why do the surface of your palms and feet leave prints?
because our skin produce oil & grease and it sticks to the surface.
What liquid is used for making metal slippery?
Any, but oils the best.
How do you store a blade without it rusting?
Coat the surface with grease or oil before storage.
Why machines are frequently oiled or greased?
Metal does not slide well against other metal. A layer of grease or oil is added to separate the layers of metal.
America wanted to end Japans aggression by placing a to cut off the oil and scrap metal supply?
They wanted to place an embargo to cut off the supply of oil and scrap metal.
You put oil in the engines of vehicles to cut down on frictionExplain why it is important to do this?
The oil leaves a thin film on a metal surface. This allows the moving parts to come in contact without producing friction which produces heat. It also reduces the amount of metal that is worn away between contact with two metal surfaces.
What is the term 'sa2.5'means in sandblasting?
SA 2Thorough blast cleaning: Commercial finish 65% cleanthe surface shall be free from visible oil, dirt and grease, from poorly adhering mill scale, rust,paint coatings and foreign matter. Any residual contamination should be firmly adhering. SA 2.5 Very thorough blast cleaning: Near white metal 85% cleanThe surface shall be free from visible oil, dirt and grease, from poorly adhering mill scale, rust,paint coatings and foreign matter. The metal has a grayish color. Any traces of contaminationshall be visible only as slight stains in the form of spots or stripes. SA 3 Blast cleaning to pure metal: White metal 100% cleanthe surface shall be free from visible oil, dirt and grease, from poorly adhering mill scale, rust,paint coatings and foreign matter. The blasted surface must have a uniform metallic color.
America wanted to end Japan's aggression by placing a to cut off the oil and scrap metal supply?
They wanted to place an embargo on Japan to cut off their supply of oil and scrap metal.
How do you slow down bikes rusting?
You can wax it, or give all exposed metal a thin coat of grease/oil.
What facilitates the movement of materials over the surface?
Cilia a sled the wheel oil grease cargo trains a burro
