urethane

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

"The prisoners were kept in a secure compound. "

"The protective helmet was essential for the construction worker. "

"The furniture was coated in polyurethane to protect it from scratches and spills. "

"Her skin was covered with tiny scratches."

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

"The chemistry class focused on how different elements combine to form new substances. "

"A chair is furniture. Sofas are also furniture."

"The jeweler carefully inspected each crystalline before setting it in the ring. "

"Many insecticides work by interfering with the nervous system of insects, with some acting as a carbamate, effectively poisoning them. "

"The student's synthesis of different historical sources allowed her to write a strong essay. "

""During the war, the refugees lived in guarded compounds for their safety." "