Which of the following can be used to reduce friction between moving parts of machines...? Mcqs

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💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following can be used to reduce friction between moving parts of machines...?

(A) Sand

(B) Grease

(C) Gears

(D) Screws

✅ Correct Answer: Grease

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Source: This question is taken from the Everyday Science

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