male african foreman training and teaching how to use machine control with workers in factory
Palabras clave
technician,
technical,
factory,
men at work,
machine,
control,
operation,
teaching,
training,
foreman,
engineer,
engineering,
african,
black,
check,
construction,
demonstration,
negotiate,
electric,
fix,
heavy,
helmet,
industrial,
industry,
job,
lathe,
labor,
male,
man,
manual,
manufacture,
manufacturing,
mechanic,
mechanical,
occupation,
people,
plant,
press,
production,
professional,
safety,
structure,
team,
teamwork,
technology,
test,
turn,
wheel,
work
){kind=link}