Please capitalize where necessary: unsure about which type of m21 file you have? do you want to know exactly what it is, who created it, and how to open it?
A: Unsure about which type of M21 file you have? Do you want to know exactly what it is, who created it, and how to open it?

Please capitalize where necessary: it is one of the oldest forms of motorsport, since the first known hillclimb took place as long ago as 31 january 1897.
A: It is one of the oldest forms of motorsport, since the first known hillclimb took place as long ago as 31 January 1897.

Please capitalize where necessary: to purchase the lipovisor™️ you can contact our sales office directly at info@miltonltd.com or send an information request form found on the contacts page.
A: To purchase the Lipovisor™️ you can contact our sales office directly at info@miltonltd.com or send an information request form found on the contacts page.

Please capitalize where necessary: some paralyzed dogs recover very quickly.
A:
Some paralyzed dogs recover very quickly.