colleague
checklist
concentration
confidence
contemplation
control
delivering
discussion
diversity
employee
engineer
engineering
ethnicity
examining
expertise
factory
furniture
gesturing
hardhat
hardwood
inspector
invention
machinery
manufacturing
material
mature adult
measuring
mechanic
merchandise
occupation
operating
packaging
pointing
progress
protection
quality
rough
safety
shelf
shipping
skill
small business
store
technician
warehouse
working
workshop
young adult