Demonstrasi minyak enjin kereta menggunakn mesin, membandingkn utk mengukur tahap keupayaan menampung bebanan & geseran. Bandingan minyak X dgn minyak Revell. Dgrkn prbezaan bunyi kesan geseran pun, dah bleh tau mane elok atau tak.
Didn't get the whole thing because the camera ran out of batteries, but I completely forgot about the crossovers (and subsequently bombed them) anyway so whatever. My best is a 91.xx