Bathroom Flooring Bathrooms Flooring Bathroom Remodel Remodeling. Tile is the surface of choice in the bathroomânatural stone or porcelains and ceramic that mimic natural stone. Floor tile is largerâ12x12 or 18x18 inchesâand color schemes are neutral.
Vibration white finger (VWF), also known as hand-arm vibration syndrome (HAVS) or dead finger,) is a secondary form of Raynaud's syndrome, an industrial injury triggered by continuous use of vibrating hand-held machinery.ts best known effect is vibration-induced white finger (VWF), a term introduced by the Industrial Injury Advisory Council in 1970. Injury can occur at frequencies between 5 and 2000 Hz but the greatest risk is between 50 and 150 Hz.
What is black lung disease? Black lung disease is a common name for any lung disease that develops from inhaling coal dust. This name comes from the fact that those with the disease have lungs that look black instead of pink. Medically, it is a type of pneumoconiosis called coal workers' pneumoconiosis (CWP). There are two forms: simple CWP and complicated CWP, which also involves progressive massive fibrosis (PMF).