#ROP-0801Re-order ParagraphsCore & AcademicMediumReal Exam Prediction
Piano Keys
Official Question Material
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But since ivory-yielding species are now endangered and protected by treaty, plastics are now almost exclusively used. | Piano keys are generally made of spruce or basswood. | Traditionally, the sharps (black keys) were made from ebony and the flats (white keys) were covered with strips of ivory. | Spruce is normally used in high-quality pianos.
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