turbochargers

"This CD player is powered by batteries."

"The car's exhaust was making a loud rumbling noise. "

"The efficiency of the planning department is deplorable."

"The mechanic replaced the broken compressor in my car's air conditioning, so now I have cold air again. "

"The increase in homework assignments this week was significant. "

"The ancient Romans used a powerful siege engine to break down the city walls. "

"The combustion of wood in the fireplace kept the room warm. "

"My parents didn't want me to go to the party, and neither did my friends. "

"My dad's old truck runs on diesel fuel. "

"Buying more servers would improve performance."

"We saw the internal compartments."