Office Chair Wheels Can A Lose Rug Be Placed Under An Office Chair With Wheels, Isn't This A Work Hazard?

Can a lose rug be placed under an office chair with wheels, isn't this a work hazard? - office chair wheels

A carpet is placed on a chair at a panel presides wheels on it and whenever you move the agenda until the cluster.
Many of our employees have come in the fall, but the manager refuses to move the picture, is not an occupational hazard?