| List - I Types of Rivets | List - II Standard Dimensions (d-Rivet diameter) |
| (A) Snap Head Rivet | (I) Head Diameter = 2d |
| (B) Fiat Head Rivet | (II) Head Diameter = 16d |
| (C) Pan Head Rivet | (III) Radius of head = 0.8d |
| (D) CSK Head Rivet | (IV) Slant thickness of head = 0.5d |
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