機器
analysis
biochemistry
biology
biotechnology
chemistry
discovery
education
engineering
equipment
examine
factory
health
heavy industry
industrial
industry
instrument
investigate
isolated
job
laboratory
machinery
magnification
maintenance
manufacture
manufacturing
mechanical
medicine
metal
metalworking
micro
microbiology
microscope
microscopy
molecular
optical
process
production
professional
repair
research
science
scientific
service
steel
study
technology
white
work