Motor oil
lubricant used for lubrication of internal combustion engines
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Oil-puddle in the rain -
Bubbles on used engine oil -
Dipstick used to measure the level of motor oil in an automobile. -
Dipstick showing oil level. -
An oil filter. -
Draining motor oil from an automobile as part of an oil change. -
An oil filter wrench, used to replace the oil filter. -
Using a funnel to refill the motor oil after an oil change. -
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