[ Goes around to the compartment area -- ] I've left space enough for a steam powered engine, but I'll see if Acumen will allow me the equipment to assemble the hydrocell batteries it'll be using.
Oh! Of course!
[ Bak might observe that the schematics carried little notes such as, "... so that Ms Mail Lady can mount easily." "Seat? Engine? Assistants?" And pointing at some part behind the seat, despite it not being part of the assembled trike, "Parasol for hot days?" ]