QUES: Unsure about which type of LRS file you have Do you want to know exactly what it is who created it and how to open it

correct the punctuation.

CORRECTED: Unsure about which type of LRS file you have? Do you want to know exactly what it is, who created it, and how to open it?

QUES: 3505 Dextrins and other modified starches for example pregelatinised or esterified starches glues based on starches or on dextrins or other modified starches

correct the punctuation.

CORRECTED: 35.05 Dextrins and other modified starches (for example, pregelatinised or esterified starches); glues based on starches, or on dextrins or other modified starches

QUES: The Dutch Golden Age painter Gesina ter Borch 16331690 has copied Holbeins drawing

correct the punctuation.

CORRECTED:
The Dutch Golden Age painter Gesina ter Borch (16331690) has copied Holbein's drawing.