title: Dust exposure in mechanical street sweepers.
mesh_terms: D000416:Alberta; D004391:Dust; D004781:Environmental Exposure; D005374:Filtration; D006801:Humans; D009784:Occupational Diseases / Q000139:chemically induced*; D010038:Otorhinolaryngologic Diseases / Q000139:chemically induced*; D012498:Sanitary Engineering / Q000295:instrumentation*; D012822:Silicon Dioxide / Q000009:adverse effects*
chemical_list: D004391:Dust; D012822:Silicon Dioxide