Inorganic substances that are common, or the risks of which are well known, e.g. sodium chloride, soda, potash, calcium oxide, gold, silver, aluminium, magnesium, silicates, glass, frit
Substances inorganiques très répandues ou sur les risques desquelles on dispose de connaissances suffisantes (chlorure de sodium, carbonate de soude, potasse, oxyde de calcium, or, argent, aluminium, magnésium, silicates, verres, compositions vitrifiables)