preignition

"There will be a charge of five dollars."

"the cycle of the seasons, or of the year"

"The after-school program is a great way for kids to continue learning. "

"the detonation of gun cotton"

"She is using a calculator to solve the math problem. "

"The premature arrived at the neonatal intensive care unit very fragile. "

"The mechanic fixed the broken bicycle chain. "

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

"She gave the cat a stroke."

"Be careful not to damage any of the fragile items while unpacking them."

"The Roman army brought their siege engines to the city walls, preparing to break through the defenses. "

"to suspect the presence of disease"