What are Lubricant Additives? Why do you need to change the oil of your car?

New channel Engineering Materials-Tribology-Design: title sample judged 'pick' (Mostly a genuine tribology/mechanical design lecture series, but mixed with conference talks, keynotes, and personal-int); passed a second screen for sellers/exam-prep/re-uploads; 2 of 3 sampled transcripts showed teaching, 1 not; titles picked one by one, checked strictly; oEmbed verified.

A 22-minute video from Engineering Materials-Tribology-Design: “What are Lubricant Additives? Why do you need to change the oil of your car?”.

Video by Engineering Materials-Tribology-Design, played through YouTube's embedded player.