在大索维托的Tshepisong居民区，简易新房取代了棚屋。 一名工人用水管帮助混合混凝土。
Shacks are replaced by simple new houses in Greater Soweto's Tshepisong neighborhood, where a worker uses a water hose to help make concrete blocks.
皮托静压探头、迎角叶片、排水管及厕所排水都是用电加温。
The pitot static probes, alpha vanes, drain mass, and toilet drains use electric heaters.
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