Inventions MCQs – Certification Test 177

Safety Pin Trivia (Question 177) – Study App & e-Book Download

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MCQ 177: Safety Pin was invented by a mechanic named as:

Sir Thomas
Sir Walter Hunt
Sir Benjamin Franklin
Sir Tim Berners Lee

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Free Safety Pin Study App – Download from App Store & Play Store

The App: Safety Pin Trivia App to Study Safety Pin Notes, General Knowledge Trivia App, and Educational Psychology Trivia App for invention digital educational access.

The "Safety Pin Study" App: Free General Knowledge Study App Download (iOS & Android) for invention study excellence. Download App Store & Play Store Learning Apps with all functionalities to achieve invention virtual mastery.