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artifact - n. a simple object (such as a tool or weapon) that was made by people in the past
curator - n. a person who is in charge of the things in a museum, zoo, etc.
cylinder - n. a shape that has straight sides and two circular ends
groove - n. a long, narrow cut or low area in a surface
record - n. a flat, round disc on which sound or music is recorded
utility - n. the quality or state of being useful
vinyl - n. a plastic material that is used to make records, clothing, etc., and as a covering for floors, walls, furniture, etc
wax - n. a hard substance that becomes soft when it is heated and that is used to make various products
