Question: is grip the new safety feature?
Answer: --> Is grip the new safety feature?

Question: fifteen number sliding puzzle (n=16): classic fift
Answer: --> Fifteen Number Sliding Puzzle (n=16): Classic fift

Question: as we noted above, he worked on engineering mathematics and elasticity where two elastic constants are named after him.
Answer:
--> As we noted above, he worked on engineering mathematics and elasticity where two elastic constants are named after him.