International Standard ISCO OIT 2017-05-12 2017-05-12 18:59:56 en Sales Workers52 Sales workers sell and demonstrate goods in wholesale or retail shops, at stalls and markets, door-to-door, via telephone or customer contact centres. They may record and accept payment for goods and services purchased, and may operate small retail outlets. Competent performance in most occupations in this sub-major group requires skills at the second ISCO skill level. 2017-05-14 14:00:592017-05-14 16:37:07