sulphides

"My grandmother's valuable were passed down through generations. "

"The prisoners were kept in a secure compound. "

"The cookbook includes recipes using fruit extracts for flavoring desserts. "

"The company is mining for gold in the remote mountains. "

"The tourist bought a small statuette of the Eiffel Tower as a souvenir. "

"Letters are the elements of written language."

"The science lab contained a sample of sulfur. "

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

"In the electrolysis of saltwater, the electropositive (sodium ion) migrates to the negatively charged cathode. "

"The botanist studied the porcelain plant, a vine common in the forests of eastern China. "

"The school's student council is a company of dedicated students who organize events. "

"The old stone building had a series of grotesque antique figures, or gargoyles, guarding its roof. "