Properly designed landscape irrigation systems use isolation valves to protect the rest of your irrigation system if a single component or sprinkler fails.

设计适当的景观灌溉系统使用的隔离阀，以保护您的灌溉系统的其余部分，如果一个组件或喷洒失败。

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Ferguson has seen a massive change in the South African sporting landscape in the past few years as the country continues to bounce back from years of apartheid and subsequent isolation from the outside world.

BBC: United boss praises South Africa