tubes

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

"It’s a good thing that television doesn’t transmit smell."

"...approximately 60 beats per minute."

"Before going to school, I brushed my teeth with toothpaste. "

"My brother uses the underground to get to work every day. "

"The juice box is a small container for the children's drinks at school. "

"Originally, this paper was white, but over the years it has yellowed with age."

"The box containing my old toys was stored in the attic. "

"In German, all nouns are capitalized."

"The baby's food was a semiliquid, thin enough to spoon-feed but too thick to pour easily. "

"The science class experimented with different substances to see how they reacted to heat. "

"The water bottle is cylindrical, making it easy to grip and carry. "