Add punctuation: Tagged B G spent between 19151948
A: Tagged B & G spent between 1915-1948

Add punctuation: Tip Incorrect ACX file association errors can be a symptom of other underlying issues within your Windows operating system
A: Tip: Incorrect ACX file association errors can be a symptom of other underlying issues within your Windows operating system.

Add punctuation: Before the building of the bridge there had been a chair lift over Holmgjogv
A:
Before the building of the bridge, there had been a chair lift over Holmgjogv.