noun, noun which may take the genitive case particle 'no'
work in progress; currently working; under construction
Indicates that a task, project, or system is currently being worked on or is in an unfinished state. Often used in status displays, signs, or software.
This feature is still a work in progress.
Please wait a moment as we are currently working on it.
準備中 means 'preparing' or 'getting ready', whereas 作業中 means the actual work is underway.
Compound of 作業 (work, operation) and 中 (in the middle of, during).