Example: air traffic controller
Search results with tag "Standard subdivisions"
Table 1. Standard Subdivisions - OCLC
www.oclc.orgprofession, occupation, hobby for specific groups of people Class interdisciplinary works on professional relationships in 331.7; class interdisciplinary works on vocational guidance, choice of vocation, career opportunities, occupational specialties in 331.702; class interdisciplinary works on hobbies in 790.1