Add punctuation: At the end of the race the top three crews from both categories will receive the Tahiti Pearl Regatta Trophies
A: At the end of the race, the top three crews from both categories will receive the Tahiti Pearl Regatta Trophies.

Add punctuation: Sew seam on inside of leg inside 1 edge st NOTE The bottom 555 66 cm are sewn with overlay outwards so that the seam is not visible when the edge is folded upwards
A: Sew seam on inside of leg inside 1 edge st NOTE: The bottom 5-5-5 (6-6) cm are sewn with overlay outwards so that the seam is not visible when the edge is folded upwards.

Add punctuation: We need to look after democracy and each other through legislation education discussion and when absolutely necessary physical force
A:
We need to look after democracy and each other through legislation, education, discussion and, when absolutely necessary, physical force.