He termina tenei mo nga putorino taiepa, mo nga putorino taiepa, ara mo nga putorino parahi, he roa taiepa, he roa taiepaE hurihia ana ki te tērau paru i muri i te ataahua.Generally, the strip steel is unpacked, flattened, crimped, and welded to form a round tube, then the round tube is rolled into a square tube and then cut to the required length.
