Watched by local technicians, FAO expert carries out quality control testing of locally manufactured drip mechanism for irrigation. - - FAO Technical Assistance to Agritex: ZIM/91/005/G/01/12. This FAO complex situated at Hatcliff, outside Harare, is the only one of its kind in Southern Africa, designed for testing all types of locally manufactured irrigation systems. At present all systems undergoing testing, are Zimbabwean manufactured.