FAO expert and local technicians examining testing facility for irrigation sprinklers, run continuously, to determine the maximum life expectancy of each sprinkler, followed by the assessment of the causes of their ultimate failure. - - FAO Technical Assistance to AGRITEX: ZIM/91/005/G/01/12. The FAO complex situated at Hatcliff, outside Harare, is the only one of its kind in South Africa, designed for testing all types of locally manufactured irrigation systems. At present all systems undergoing testing, are Zimbabwean manufactured.