straightedge

"The teacher used a rectangular whiteboard to draw a diagram. "

"Eschewing processed foods, she prepared a healthy salad for lunch. "

"My grandfather used to keep a pack of cigarettes in his shirt pocket. "

"There is still time to oppose this plan."

"My grandmother is living a long and healthy life. "

"He is a student of life."

"They completed the first series perfectly."

"My math teacher asked us to keep a notebook for recording our homework assignments. "

"The contract requires that the party of the first part pay the fee."

"My father enjoys a glass of alcohol with dinner. "

"The straight path to the school led past the park. "

"The farmer planted several species of tobacco in his field. "