Evaluation of palm kernel oil as cutting lubricant in turning AISI 1039 steel using taguchi-grey relational analysis optimization technique

Subjects: “…Lubricants…”

Effect of Spent Lubricating Oil on Some Growth Parameters of Two Varieties (TGXl485 - ID and TGXl448 - 2E) of Soybeans, (Glyzine max. merril)

Subjects: “…Spent lubricating oil…”