Add punctuation: Temperature measurement range not calibrated below 10 C 20 C to 600 C 4 F to 1112 F
A: Temperature measurement range (not calibrated below -10 C) -20 C to +600 C (-4 F to +1112 F)

Add punctuation: Most people have two copies of the M allele MM in each cell
A: Most people have two copies of the M allele (MM) in each cell.

Add punctuation: This generates a compiled language file mofile for your language on your site and it shuld now appear in your language
A:
This generates a compiled language file (.mo-file) for your language on your site and it shuld now appear in your language.