QUESTION: Fix punctuation: 5 Drinking water should have the lowest content of mercury possible and preferably below 01 m gl
ANS: 5) Drinking water should have the lowest content of mercury possible and preferably below 0,1 m g/l.

QUESTION: Fix punctuation: If a certain degree of wear and tear is unavoidable it should be directed to those parts in the product that can easily be exchanged and replaced
ANS: If a certain degree of wear and tear is unavoidable it should be directed to those parts in the product that can easily be exchanged and replaced.

QUESTION: Fix punctuation: Subclasses in class InvoiceOrderReference
ANS: Subclasses in class Invoice.OrderReference

QUESTION: Fix punctuation: Up to three children under 12 years are charged EUR 12 per night when using existing beds
ANS:
Up to three children under 12 years are charged EUR 12 per night when using existing beds.