Use shorter screwdriver with larger head to apply downward pressure. Try rotating screw with pliers if surface-head gap exists. Apply lubricant like WD-40 to loosen screw grip
Sandpaper grit indicates the size of abrasive particles. Lower numbers indicate coarser grits (#24-40), higher numbers finer (#600-1000). Grit is measured by CAMI or FEPA standards
Grit measures sandpaper's roughness by counting abrasive particles per square inch. Higher grit numbers indicate rougher paper, lower numbers mean smoother. Grit is measured in microns (one-millionth of a meter)
Grit number indicates sandpaper's coarseness, lower numbers mean coarser. Grit number doesn't refer to abrasive particles, but holes per inch. More holes per inch result in smaller abrasive particles
Screws are essential fasteners for construction and furniture-making. Screws are driven into materials using specific drivers. Screw heads must match the correct driver bit for proper insertion
Spanners are made from carbon or drop-forge steel. They are used for tightening and loosening nuts and bolts. British and Americans use the same term interchangeably