QUESTION: Fix punctuation: There are other people who would certainly use the ancient technique of boosting weight by employing steroids
ANS: There are other people who would certainly use the ancient technique of boosting weight by employing steroids.

QUESTION: Fix punctuation: Originally there was a a lever on the side of the machine instead of a button on the front panel that operated the machine
ANS: Originally there was a a lever on the side of the machine instead of a button on the front panel that operated the machine.

QUESTION: Fix punctuation: Materials DROPS Merino Extra Fine from Garnstudio
ANS: Materials: DROPS Merino Extra Fine from Garnstudio

QUESTION: Fix punctuation: Finally we must look at the important contribution Kochina has made to the history of mathematics
ANS:
Finally we must look at the important contribution Kochina has made to the history of mathematics.