For runtime dynamic performance skew elimination in a computer environment, an exemplary computer environment is configured for calculating a rank heats by utilizing a plurality of fine-grained statistics collected at an extent granularity, including considering bandwidth and inputoutputs per second metrics. An expandable fire protection enclosure has at least a base enclosure member, an intermediate enclosure member and a top enclosure member. The spout constructed of a resilient material and the distal end sized to receive the band of the bottle with the lip in latching engagement with the band of the bottle. The method comprises detecting at least one force, impact, shock, or vibration event occurring on the imaging system and providing an indication to a user when a force, impact, shock, or vibration event occurs on the imaging system. Support structures are also disclosed which are coupled at multiple locations along a rail member and at least one location of a rung.