question: to begin your free file analysis, simply drag-and-drop your numbers file inside the dotted lines below, or click "browse my computer" and select your file.
Capitalize this past sentence correctly.
A: To begin your free file analysis, simply drag-and-drop your NUMBERS file inside the dotted lines below, or click "Browse My Computer" and select your file.

question: roller brakes and choice of soft and hard rollers p p p
Capitalize this past sentence correctly.
A: Roller brakes and choice of soft and hard rollers P P P

question: the forces in the diagonals are small and the connections can be made simple.
Capitalize this past sentence correctly.
A: The forces in the diagonals are small and the connections can be made simple.