QUESTION: Fix punctuation: One of the conditions that will need to be ruled out or confirmed as a source of the cylindruria is acute tubular necrosis
ANS: One of the conditions that will need to be ruled out or confirmed as a source of the cylindruria is acute tubular necrosis.

QUESTION: Fix punctuation: The progression of cancer is a chain reaction of the mutation of different genes and it is necessary to study which genes mutate and why If we are to find an effective way forward in the treatment of cancer we need to understand its causes and the way it develops so that we can also look more scientifically at prevention than we currently do
ANS: The progression of cancer is a chain reaction of the mutation of different genes, and it is necessary to study which genes mutate and why. If we are to find an effective way forward in the treatment of cancer, we need to understand its causes and the way it develops so that we can also look more scientifically at prevention than we currently do."

QUESTION: Fix punctuation: If more than one person are working with the horse it is possible to divide the horses training between those who are in the team
ANS: If more than one person are working with the horse it is possible to divide the horses' training between those who are in the team.

QUESTION: Fix punctuation: At the same time we perform a renewal of service pipes from the main line up to the properties
ANS:
At the same time we perform a renewal of service pipes from the main line up to the properties.