36.Who invented Safety Pin View Answer Report DiscussAnswer: WILLIAM HUNT Explanation:Currently no explanation available Improve this answer lets discuss in forum
37.Who invented Safety Match View Answer Report DiscussAnswer: LAND STROM Explanation:Currently no explanation available Improve this answer lets discuss in forum
38.Who invented Safety Lamp View Answer Report DiscussAnswer: HUMPHRY DAVY Explanation:Currently no explanation available Improve this answer lets discuss in forum
39.Who invented Refrigerator View Answer Report DiscussAnswer: JAMES HARRISON Explanation:Currently no explanation available Improve this answer lets discuss in forum
40.Who invented Quantum Theory View Answer Report DiscussAnswer: MAX PLANK Explanation:Currently no explanation available Improve this answer lets discuss in forum
