sulphur ball sulphur bloom sulphur chloride sulphur dioxide sulphur dye sulphuric sulphuric acid sulphuric acid salt sulphuric black acid sulphuril chloride sulphurite sulphurization sulphur ligand sulphur milk sulphurous sulphurous acid sulphur poisoning sulphur trioxide sulphur vulcanization sulphury |
sulphur ball геол. сферообравно пиритно включение Търсената дума е намерена |