1 Subjects: “...lubrication performance...”

2 Subjects: “...lubrication...”

3 Subjects: “...lubricant...”

4 Subjects: “...lubricant liquid...”

5 Subjects: “...lubricous oxides...”

6 Subjects: “...self-lubricating...”

7 Subjects: “...lubrication...”

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

9 Subjects: “...lubricant...”

10 Subjects: “...lubricating greases...”

11 Subjects: “...aqueous boundary lubrication...”

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