A self-adjusting bumper comprising slidably adjustable upper and lower tapered nylon wedges for eliminating rattle space between objects and their containers. The cable can be prepared for splicing, outside the enclosure. An IR laser is used to collapse and melt the collapsible UV cross-linkable material to form a relief image on the printing plate. An inlet port may be in fluid communication with the cooling duct. Flow definition file 23 may comprise a plurality of definition sentences respectively corresponding to various subject IDs, and each such definition sentence may indicate schedule for execution of business logic.