input: Unsure about which type of D2V file you have Do you want to know exactly what it is who created it and how to open it
fixed: Unsure about which type of D2V file you have? Do you want to know exactly what it is, who created it, and how to open it?

input: Open an account with any broker that supports this system
fixed: Open an account with any broker that supports this system.

input: In my younger days I was obsessed with guitars how little or how much it was present in the sound production
fixed: In my younger days I was obsessed with guitars, how little or how much it was present in the sound production.

input: For blind hole applications Radial expansion is critical for rotating couplings or alignment systems
fixed:
For blind hole applications Radial expansion is critical for rotating couplings or alignment systems.