QUESTION: Fix punctuation: Furthermore binders can be applied many treatments such as UV varnish lamination hidden magnets buttons welded pockets
ANS: Furthermore, binders can be applied many treatments such as, UV varnish, lamination, hidden magnets, buttons, welded pockets.

QUESTION: Fix punctuation: On Friday it will be cloudy but mostly dry for a while The afternoon will bring mostly sunny weather
ANS: On Friday it will be cloudy, but mostly dry for a while. The afternoon will bring mostly sunny weather.

QUESTION: Fix punctuation: The rain is kept at bay as everything is well stored and the usual crowding in the tent is a thing of the past
ANS: The rain is kept at bay as everything is well stored and the usual "crowding" in the tent is a thing of the past.

QUESTION: Fix punctuation: Limited capacity to 20 People
ANS:
Limited capacity to 20 People.