Add punctuation: Fold the sides forming equal segments
A: Fold the sides, forming equal segments.

Add punctuation: According to various sources the weight of 1 cubic meter from 1200 to 2500 kg depending on size
A: According to various sources, the weight of 1 cubic meter from 1200 to 2500 kg depending on size.

Add punctuation: A Muslim must believe in Allah and the messengers Abraham David Joseph Jesus Moses
A:
A Muslim must believe in Allah and the messengers, Abraham, David, Joseph, Jesus, Moses.