sanitation

"Condoms are designed to protect against sexually-transmitted diseases."

"Both paper and plastic can be recycled."

"The students walked quickly to their classrooms before the bell rang. "

"My brother regularly takes the bus to school. "

"The dry-stone wall used a large, flat through to support the top stones. "

"He will need lots of practice with the lines before he performs them."

"The library's new disposal of books by genre makes finding what you need much easier. "

"The student's excellent performance on the math test showed they had surpassed their previous scores. "

"The recipe calls for specific measures of flour and sugar. "

"The school cafeteria was kept hygienic to prevent the spread of illness. "

"He was father to three healthy kids."

"He will need lots of practice with the lines before he performs them."