FRICTION AND WEAR OF SAND CONTAMINATED LUBRICATED SLIDING

VIBRATION ANALYSIS OF ADDING CONTAMINANTS PARTICLES AND CARBON NANOTUBES TO LITHIUM GREASE OF BALL BEARING

FRICTION COEFFICIENT DISPLAYED BY SLIDING THE FOOTBALL ON THE GLOVES OF THE GOALKEEPER

TRIBOELECTRIFICATION OF LATEX AND POLYETHYLENE GLOVES

WEAR RESISTANCE OF STEEL COATED BY POLYURETHANE REINFORCED BY STEEL WIRES