Tribology, the study of the phenomena and mechanisms of friction, lubrication, and wear of surfaces in relative motion, can be traced back to remote antiquity in China, where it developed significantly.
The grease used is sufficient to lubricate the axle shaft.
On the shaft end, we carefully check the pin bolt.
Quickly, send me home driving the cart.
Quickly, send me back to my Wei country town.
It proves that before the book Shi Jing(Poems and Odes) appeared – before 1100–600 BCE – lubricant was widely applied in China. Owing to their rhythmic quality, the verses were repeatedly quoted and talked about, and often appeared in later books as...