insulator

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

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

"The teacher transmitted the important information to the students. "

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

"The insulation in the attic helped keep the house warm in winter. "

"Electricians use insulators, like rubber gloves, to protect themselves from electric shock. "

"The new school building's exterior walls were made of fiberglass, providing excellent insulation. "

"The birds had built an amazing structure out of sticks and various discarded items."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"Distilled water is very slightly electrically conductive."

"My brother is a talented electrical. "

"The electricity bill was unusually high this month, likely due to the many electronics running in the house. "