S1: Machines have parts made of iron.
P: They must be painted or chrome plated.
Q: Some parts rub against each other.
R: Iron gets rusted.
S: They must be lubricated with oil or grease.
S6: When the machine is not in use, it should be covered.
The Proper sequence should be:
A. PRQS
B. QRPS
C. QSRP
D. RPQS
Answer: Option D
Solution(By Examveda Team)
Iron gets rusted. They must be painted or chrome plated. Some parts rub against each other. They must be lubricated with oil or grease.Related Questions on Ordering of Sentences
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