The state of knowledge in tribology -- Strength and deformation properties of solids -- Adhesion and cohesion properties of solids : adsorption to solids -- Solid surfaces -- Contact of nonconforming surfaces and temperature rise on sliding surfaces -- Overview of friction -- Lubrication overview. Physical aspect -- Lubrication overview. Chemical aspect -- Wear -- Equations for friction and wear -- Designing for wear life and frictional performance : wear testing, friction testing, and simulation -- Diagnosing tribological problems -- Characterization of surfaces -- Surface engineering and processes -- Example of tribological systems