Add punctuation: The good data on integration and quality control plays a major role
A: The good data on integration and quality control plays a major role.

Add punctuation: Two different plate and frame sizes offer greater flexibility enabling the T35 and TS35 perfect fit to the available installation space
A: Two different plate and frame sizes offer greater flexibility, enabling the T35 and TS35 perfect fit to the available installation space.

Add punctuation: Transfer from Kavarna to Sofia SOF airport
A:
Transfer from Kavarna to Sofia (SOF) airport