academy
achieve
background
business
closeup
coaching
college
concept
construct
construction
course
dark
development
educate
education
educational
equipment
group
grunge
industry
information
instruct
instruction
instrument
intelligence
kit
knowledge
learn
management
manager
mechanic
mentoring
metal
old
pliers
practice
repair
seminar
skill
spanner
steel
study
teach
technology
tool
train
tutor
word
work
wrench