What does Primary and Non-contributory mean?

[@minerfreak88]

Thanks for the video. PS. I run an audio company - you'll get a better sound on your lav mic if you clip it a little lower, like near your top button on the jacket.

[@Sha-sj4ek]

The music is so distracting I can’t hear you properly 😕

[@malikfaizan7605]

Contributry kya hota h