antifreeze

"Oil may be used as an additive in gasoline to improve the lubrication of a small engine."

"In the early 1900s, only wealthy families could afford motorcars. "

"The new design for the school's model airplane was very aerodynamic, allowing it to fly smoothly and quickly. "

"The lake froze solid."

"The scientist carefully examined the substance to determine its chemical composition. "

"The campfire's hot coals are a radiator of heat, warming the surrounding area. "

"Airplanes fly people across countries for vacations and business trips. "

"My dad works at the local automotive. "

"My old bicycle tire was flat, so I bought a replacement. "

"The radiators in the old house were hot to the touch, emitting waves of heat that warmed the room. "

"Farmers use ethylene to help ripen fruits like bananas and tomatoes after they are picked. "

"The lemonade was a clear solution of lemon juice and water. "