Many compound words can be formed within a creative system. Which actually means according to a certain principle one can create new words as many as fantasy serves.

noun + noun       check or. answer    Bauarbeiter = worker on a construction site   Baumaßnahme = tasks of construction   Baustelle = building site, construction site   Baumaschine = machine for building   Bausektor = building sector   Bau = construction, building, Industrie = industry   construction industry   Hausdach = roof of a house   Haustür = door of a house (entrance)   Hausarbeiten = house work   Hausflur = corridor   Haus = house, Wand = wall   wall of a house   Benzinkanister = gasoline can   Benzinpreis = gasoline price   Benzinherstellung = refinary   Benzin = gasoline, Lieferung = supply   gasoline supply