Embodiments of the present solution provide a cloud bridge to bring network transparency between the otherwise disparate networks of the datacenter and cloud service provider. The arm is pivotally mounted to move in different directions upon the occurrence of different events. Connectors comprise a plurality of hinged petals that are shiftable between an open position, which permits access to the connector insert carried by the connector and a closed position in which the petals cooperate to define an appropriately-sized cable sheath termination nipple. The contaminant trap can be provided with a gas injector which is configured to inject gas at least at two different positions directly into at least one of the channels of the contaminant trap. Other methods include marketing financial transfer transactions. In another embodiment, an apparatus for circulating air includes a grating through which the air is circulated and an actuator for controlling when the air is permitted to circulate through the grating, wherein the actuator is activated automatically in response to changes in ambient temperature without requiring a supply of electricity.