coping: the top, typically sloping, course of a brick or stone wall.
Explanation:
The engine consists of a fixed cylinder and a moving piston. The expanding combustion gases push the piston, which in turn rotates the crankshaft. ... After the piston compresses the fuel-air mixture, the spark ignites it, causing combustion. The expansion of the combustion gases pushes the piston during the power stroke.Nov 22, 2013
Paper making, the compass, and printing
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Answer:
When the ordinance was adopted on December 20, 1860, South Carolina became the first slave state in the south to declare that it had seceded from the United States. ... The declaration also claims that secession was declared as a result of the refusal of free states to enforce the Fugitive Slave Acts.
Explanation: