apprentices with professional metallurgist
Keywords
machinery,
girl,
equipment,
overall,
engineering,
caucasian,
training,
staff,
machine,
component,
together,
working,
earphones,
engineer,
young,
school,
teaching,
safety,
female,
apprentice,
precision,
skilled,
metal,
teenage,
horizontal,
person,
three,
working man,
manual,
checking,
metallurgist,
protective,
teenage,
men at work,
measuring,
teacher,
male,
boiler