Pūtu pine: He hiri rapa rite ki te diaphragm e uru ana ki te pito o te wāhanga waipēhi me te taha o te pana, te pito rānei o te piston, kāore e whakamahia hei hiri i te wai ki roto engari hei pupuri i te puehu kia kore e uru.
Pūtu piston：E kiia ana he pūtu puehu, he uhi rapa ngāwari tēnei e ārai ana i ngā paru
Wā tuku: Whiringa-ā-rangi 19-2024