Boring machines for the trenchless underground installation of generally horizontal pipes for water and sewage and conductors for electricity and communication signals; reciprocating impact piston rams for the displacement of soil and the pulling of pipes; reciprocating impact piston rams for the underground installation of pipes by means of steel pipe ramming; reciprocating impact piston rams for the splitting of pipes; power operated reciprocating impact piston ram parts, namely - expanding...

water clear, colorless, and odor less base oils produced by catalytic hydrocracking and finished lubricants made from such base oils