Complex sentence: The majority of modern versions have a body made from a continuously woven tube, on a circular loom so that the torso has no side seams and the manufacture of T-Shirts has become highly automated, and may include fabric cutting by laser or water jet.
Split into simpler sentences: The majority of modern versions have a body made from a continuously woven tube, on a circular loom, so that the torso has no side seams. The manufacture of T-shirts has become highly automated, and may include fabric cutting by laser or water jet.