No ka mea, ʻaʻohe papa oxide ma nā paia o loko a me waho o ka paipu kukui pololei, ʻaʻohe leakage ma lalo o ke kiʻekiʻe kiʻekiʻe, kiʻekiʻe kiʻekiʻe, kiʻekiʻe kiʻekiʻe, ʻaʻohe deformation i ke anu anuanu, flaring, flattening a ʻaʻohe māwae, hoʻohana nui ʻia e hana i nā huahana. o nā mea pneumatic a hydraulic paha, e like me ka air cylinder a i ʻole ka ʻaila cylinder, hiki ke lilo i paipu seamless a i ʻole paipu welded.