cavitation

"After the heavy rain, the old wooden shed collapsed. "

"The dynamics of the classroom changed dramatically when the new teacher arrived. "

"My sister is very helpful, especially when it comes to organizing things. "

"The doctor suspected tuberculosis after seeing the patient's persistent cough and weight loss. "

"He rotated in his chair to face me."

"The water pump's impeller spun rapidly, forcing water through the cooling system. "

"He covered the baby with a blanket."

"She suffered a terrible collapse after slipping on the wet floor."

"The student had numerous assignments to complete before the weekend. "

"The guard blew his whistle to indicate imminent departure."

"The intricate formation of the puzzle pieces allowed the child to assemble a picture of a dog. "

"The airplane's propeller propelled it forward through the air. "