"0"^^ . "06135095-n"^^ . . . "tribology"@en-us . "the branch of engineering that deals with the interaction of surfaces in relative motion (as in bearings or gears): their design and friction and wear and lubrication"@en-us . . "0"^^ . . "105767747"@en-us . . . "106135095"^^ . . "tribology"^^ . . . . .