clavichord

"The student adjusted her chair so she could see the board better. "

"The violinist was a master of her instrument."

"She carefully handled the delicate, lace-trimmed lingerie. "

"The invention of the calculator made math homework much faster. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"Imagine drawing a straight line on a soccer ball; the line would be one of many tangents to the ball's curved surface. "

"My son used the keyboard to type his homework assignment. "

"I appreciate your efforts"

"Her diligent practicing on the piano led to a stunning performance at the recital. "

"The factory is producing thousands of cars every month. "

"An officer is attached to a certain regiment, company, or ship."

"Please strike the last sentence."