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common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom, tavaline labori klaasnõu, mis koosneb torujast klaasist või läbipaistvast plasttorust ning on avatud ülaosas ja suletud allosas
proovitoru . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/proovitoru/1/est (20.06.2026)