Pinhead Opacities (Pl) (Pneumoconiosis), Pinhead Densities (Pl), Pinhead Mottling, Punctiform Opacities (Pl)
Pinhead Opacities (Pl) (Pneumoconiosis), Pinhead Densities (Pl), Pinhead Mottling, Punctiform Opacities (Pl) : An OSH glossary used in safety and health at work which is adopted by ILO