1 Subjects: “...bio-lubricant...”

2 Subjects: “...elasto-hydrodynamic lubrication...”

3 Subjects: “...engine lubricant oil additives...”

4 Subjects: “...fluid hydrodynamic lubrication theory...”

5 Subjects: “...lubrication effects...”

6 Subjects: “...minimum quantity lubrication...”

7 Subjects: “...splash lubrication...”

8 Subjects: “...splash lubrication...”