1. (noun) a mine or quarry that is being or has been worked

• workings

2. (adjective) actively engaged in paid work

• on the job

3. (adjective) (of e.g. a machine) performing or capable of performing

• functional
• operative
• running

1. (adjective) actively engaged in paid work

• employed

2. (adjective) adequate for practical use; especially sufficient in strength or numbers to accomplish something

• practical

3. (adjective) adopted as a temporary basis for further work

• impermanent
• temporary

4. (adjective) (of e.g. a machine) performing or capable of performing

• functioning

5. (adjective) serving to permit or facilitate further work or activity

• operative

1. (noun) a mine or quarry that is being or has been worked

• excavation

1. (adjective) (of e.g. a machine) performing or capable of performing

• control
• operate
• function
• go
• operate
• run
• work
• functionality