Add punctuation: Free Spin wins are added to any bet line wins
A: Free Spin wins are added to any bet line wins.

Add punctuation: fun 3d car racing action
A: fun 3d car racing action.

Add punctuation: Together with ATC Automatic Train Control the interlocking system provides users with maximum safety and the railway with significant capacity
A:
Together with ATC (Automatic Train Control), the interlocking system provides users with maximum safety and the railway with significant capacity.