helmet

"The knight's armour protected him from the dragon's fiery breath. "

"My brother is a soldier in the army. "

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

"Except for one or two days a year, he usually walks to work."

"My favorite position in the classroom is near the window. "

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

"He covered the baby with a blanket."

"The twins resemble each other."

"Construction is underway on the new bridge."

"You should knock before you enter, unless you want to see me naked."

"The apple is falling from the tree. "

"Railway crossings without gates are highly dangerous."