antennas

"My sister and I both got good grades on the test; she got an A, and I got a B, respectively. "

"My teacher explained the new math concept, and I understood it perfectly. "

"The class squirmed and fidgeted in the uncomfortable new chairs."

"Don’t move that beam! It supports the whole platform."

"The entire apparatus for building a birdhouse, from the saw to the nails, was carefully laid out on the workbench. "

"The teacher communicates the lesson's objectives to the students at the start of each class. "

"Scientists study plants to understand how they grow. "

"The strong wind was propelling the sailboat across the lake. "

"The park bench had a triangular shape, perfect for two people to sit together. "

"My brother is a talented electrical. "

"The cell phone emits electromagnetic waves that allow us to communicate. "

"The digestion of beans can sometimes lead to gas because they contain an oligosaccharide that our bodies have difficulty breaking down. "