- Impact compactor, for whose active wheel's structure is special, it requires highly for the traction force when working, and it is difficult to suit for the machine in working on today.
- The office has been humming with activity.
- The threat of war has depressed business activity.
- There has been a lot of activity in the town today.
- The product is small an light.With four active wheels it is be moved conveniently. It can be used either in the store houses or in the workshop.