original_query: What were the different uniforms worn by officers from different county departments?
query: What were the different uniforms worn by officers from different Los Angeles County departments before the adoption of the department-wide tan-and-green uniform?
answer: Before the department-wide tan-and-green uniform, Department of Health Services officers wore all-tan uniforms, Mechanical Department officers wore tan shirts and brown pants, and Park Patrol officers wore tan-and-green uniforms similar to the Sheriff's Department.