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Ukuqonda Izinzuzo ze-45 ° Obtuse Street Elbows kuTafula Lokwakha Okuqukethwe 1. Isingeniso ku-45 ° Obtuse Street El. I-obbows 2. Yini i-45 ° Obtuse Street Elbows? 3. Izinzuzo ze-45 ° Obtuse Street Elbows ku-Construction 3.1 Flow Exficiency and Reduced Pressure Loss 3.2 Space-S Ukwakhiwa Kwezinhlelo ze-Publizing 3.3 Isikhalazo se-aesthetic ku-Aritectural Design 4