Metallic copper and silver dust hazards...
D003300:Copper / Q000009:adverse effects*; D004391:Dust; D004781:Environmental Exposure; D006801:Humans; D008452:Maximum Allowable Concentration; D009784:Occupational Diseases / Q000209:etiology; D012306:Risk; D012834:Silver / Q000009:adverse effects*
D004391:Dust; D012834:Silver; D003300:Copper