Kei te whakamahia nuitia i roto i nga momo ahumahi penei i te ahumahi matū, te miihini hiko, te hanga miihini, te hanga kaipuke, te hiko hiko, te petrochemical, te whakarewa, te paipa, te maimoatanga wai, te hanga taputapu miihini, te pipeline pneumatic, te pipelines hydraulic, etc.