adjust
adjustment
alteration
analyze
background
business
change
check
correct
correction
cost
course
defect
depression
disassembly
edition
education
exam
homework
improve
improvement
industry
innovation
learning
manufacturing
modification
modify
plan
preparation
process
produce
product
progress
project
reassembly
redress
reinvention
reject
remake
replacement
result
review
revise
rework
rewrite
study
task
word
work
wrong