Risks of testing for prostate cancer include: 1  a raised PSA level does not always indicate prostate cancer and biopsies will be needed to check if cancer is present. 2  biopsies and treatments for prostate cancer have harmful side-effects that may affect quality of life.
fume (plural fumes) 1  A gas or vapour/vapor that smells strongly or is dangerous to inhale. Fumes are solid particles formed by condensation from the gaseous state, e.g. metal oxides from volatilized metals. 2  A material that has been vaporized from the solid state to the gas state and re-coalesced to the solid state.
What are welding fumes? Welding fumes are a complex mixture of metallic oxides, silicates and fluorides. Fumes are formed when a metal is heated above its boiling point and its vapours condense into very fine, particles (solid particulates). Welding fumes generally contain particles from the electrode and the material being welded. Yes, welding fumes contain oxides of the metals in the material being welded.