duct, pipe conduit, pipeline, piping

building, structure, construction, edifice

complex (not simple or straightforward)

plan out, lay out a plan / draw up plans for, design

plan / design

very; extremely / exceedingly; tremendously

extraordinary, unusual

emergency

pipe / a wind instrument

a road, a street / attaches to place names, indicating a road to that place / attaches to a time duration, indicating a trip taking that length of time