Add punctuation: 1 As part of common action against several substances in critical areas 40 of volume
A: 1 As part of common action against several substances in critical areas (40 % of volume).

Add punctuation: Weather overcast 5 9 C wind 914 knots from SW visibility unlimited
A: Weather: overcast, -5 - 9 C, wind 9-14 knots from SW, visibility unlimited

Add punctuation: Hi my name is Manuelasexy and I am 21 years
A:
Hi, my name is Manuelasexy and I am 21 years.