| List - I | List -II |
| (A) B.S.W. Thread | (I) d = 0.61 P |
| (B)Metric thread (internal) | (II) D = 0.96 P |
| (C)Metric thread (external) | (III) d = 0.54 P |
| (D) Square thread | (IV) D= 0.50 P |
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world