This occupancy is a use of a building that involves assembling, disassembling, fabricating, finishing, manufacturing, packaging, repair, and processing operations that would not be otherwise classified. Our gallery includes photography of central energy distribution apparatus, specialized ventilation in a manufacturing laboratory, and industrial exhaust venting systems. The systems support diverse activites, including district energy productions and distribution, pharmaceutical manufacturing, and engineered creations in wood and steel. The examples presented here are from locations in the mid-western US and Sweden, and we have created many others in other industries, states, and countries.