A system for chaotic sequence spread spectrum communications includes a transmitter for transmitting information symbols using a chaotic sequence of chips generated at the transmitter, the information symbols having a duration of transmission based on a threshold symbol energy value and the chips. The combustion chamber receives a mixture of air, hydrogen and a liquid fuel consisting essentially of water and a flammable, preferably non-fossil, substance. The thermal evacuation part includes a second evacuation opening that is arranged to oppose at least an upper part of the substrate holding member located at the unload position and evacuates an environment around the substrate holding member located at the unload position. The method also includes a processor associating the technical debt with one or more components of the plurality of components, and the processor updating the urgency of the backlog item associated with the technical debt according to a function based on a development event associated with at least one of the one or more components.