Please add punctuation to this: The texts are intended to help the specifiers to define which systems fittings glazing units surface treatment alternatives and functions are required The licensed fabricators will later use them during the production of the finished products

Punctuation version:
The texts are intended to help the specifiers to define which systems, fittings, glazing units, surface treatment alternatives and functions are required. The licensed fabricators will later use them during the production of the finished products.