QUESTION: Fix punctuation: Renal vessel thrombosis coagulation or clotting of blood in the vessels that feed the kidney and surrounding area
ANS: Renal vessel thrombosis (coagulation, or clotting, of blood in the vessels that feed the kidney and surrounding area)

QUESTION: Fix punctuation: He always thought a lot of himself and perhaps by this stage his view of his own importance he saw himself as the natural successor to Hipparchus and Ptolemy a far more important person than a King had rather turned his head
ANS: He always thought a lot of himself and perhaps by this stage his view of his own importance (he saw himself as the natural successor to Hipparchus and Ptolemy , a far more important person than a King) had rather turned his head.

QUESTION: Fix punctuation: No separate storage space is needed for waterborne paints and pumps so the old pumping and storage facility could be demolished
ANS: No separate storage space is needed for water-borne paints and pumps, so the old pumping and storage facility could be demolished.

QUESTION: Fix punctuation: They are designed for precision and comfort
ANS:
They are designed for precision and comfort.