Umbhobho welizwe jikeleleiflangeUmgangatho ikakhulu uneenkqubo ezimbini, oko kukuthi, umbhobho waseYurophuInkqubo yeFlanjiImelwe yi-DON yaseJamani i-Din (kubandakanya ne-Soviet Union) kunye nombhobho waseMelikaInkqubo yeFlanjiImelwe ngumbhobho we-API waseMelikaiflange. Ukongeza, kukho umbhobho waseJapan Jisflaxes, kodwa kwi-petrochemical kufakelo ngokubanzi isetyenziselwa kuphela imisebenzi yoluntu, kwaye impembelelo yezizwe incinci. I-ping flaves yamazwe awahlukeneyo aziswa apha ngezantsi:

1, eJamani neyeSoviet Union njengommeli wenkqubo yenkqubo yaseYurophuiflange
I-2. I-American System System Flonge ifutha, ezimelwe ngu-Assib16.5 no-Asib16.47
I-3, iBritane kunye neMibhobho yeFrench Play, amazwe amabini anemigangatho emibini yeflethi.
Ukuphelisa, umgangatho wehlabathi jikelele we-pump flaxes unokushwankathelwa njengeenkqubo ezimbini ezahlukeneyo kwaye ingabi sezicwangciso zeflegi ephindiweyo Enye yinkqubo ye-pie yaseMelika yeFlace emele i-United States.
I-IOS7005-1 nguququ esenziwe ngumbutho wamazwe aphesheya wokubekwa emgangathweni ngo-1992, i-United States i-United States kunye ne-Germany ezimbini zeFlengos zidityaniswe kumgangatho weflethi.