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Lapho kuxoxa ngezinhlelo zamapayipi ekwakhiweni, i-90 ° Extend Street Bend yigama elivame ukuvela. Lokhu kufaneleka kwenzelwe ukwenza lula ukujika kwe-90-degree kumapayipi, okuvumela ushintsho ohlangothini ngenkathi kugcina ukugeleza koketshezi. Ikakhulukazi emkhakheni wamapayipi wokwakha insimbi engagqwali, ukuqonda ukusebenza nezinzuzo zalolu hlobo lokugoba kubalulekile