機器
20 to 24 years
accuracy
ambition
asian ethnicity
aspiration
bending
brown hair
building
classroom
concentration
education
engineering
goggles
high angle view
holding
indoors
industry
learning
lesson
looking down
measuring
obscured face
one person
only female
planning
precision
protection
ruler
safety
school
serious
side view
skill
standing
student
table
wearing
woman
working
workshop
young adult
young woman