Abstract: A stand for a vacuum cleaner having a hand-held main unit with a first locking arrangement for releasable locking to a second locking arrangement of a tube arrangement. The stand comprises a manually operated actuation mechanism adapted to actuate a release button or release mechanism to unlock the hand-held main unit from the tube arrangement while the vacuum cleaner is placed in the stand.

Abstract: According to an example aspect of the present invention, there is provided a method of managing energy flow and freight transportation within a system. The system can include a plurality of mobile electric assets. The mobile electric assets can be self-propelled vehicles, non-self-propelled vehicles and non-vehicle electric assets. The management includes treating energy flow as a new dimension of a freight transportation system.

Abstract: A stick vacuum cleaner comprising an elongated shaft part, a housing arranged to be attached to the elongated shaft part, the housing comprising an air inlet, a container arranged to accommodate a removable air-permeable dust bag, a motor fan unit for creating an airflow, and an exhaust air outlet, a nozzle arranged at a first end of the elongated shaft part, the nozzle comprising a nozzle inlet via which debris is transported from a surface to be cleaned by means of the created airflow to the dust container, and a handle arranged at a second end of the elongated shaft part, wherein the container is arranged to be removably attached to the housing.