<prompt> Bheka isigaba esingezansi bese uphendula umbuzo olandelayo ngolimi olufanayo nesigaba: Isigaba: I-HDPE inamandla amakhulu okuqina. Isetshenziswa emikhiqizweni nasekuhlanganiseni okufana nemigqomo yobisi, amabhodlela okuhlanza, amabhodlela ebhotela, iziqukathi zodoti namapayipi amanzi. Ingxenye eyodwa kwezintathu zawo wonke amathoyizi yenziwa nge-HDPE. Ngo-2007, ukusetshenziswa kwe-HDPE emhlabeni wonke kwafinyelela kumthamo wamathani angaphezu kwezigidi ezingama-30. Umbuzo: Zingaki izigidi zamathani ukusetshenziswa kwe-HDPE emhlabeni wonke okwafinyelela kuzo ngo-2007?  <response>: 30 Izinketho 