Zida zokongoletsa zimagwiritsidwa ntchito kwambiri popanga zamkuwa, siliva, malamba, tantalum, tinjachi, zircionium, malo oyambira.
Sing'anga yomwe imagwiritsidwa ntchito Makina makina amatha kukhala madzi, ndipo madzi akagwiritsidwa ntchito ngati malo osakaniza, amatchedwa ydraulic kupkutira.