PREVIEW
... ng the commonly used rain screen principle in industrial workshops.
The two apprentices listened with wide eyes; they initially thought Inspector Cheng was merely asking casually, but it turned out that Inspector Cheng really understood these practical aspects?!
"Are you planning to do a drop water treatment for the culvert structure?"
"Drop water treatment?"
"The culvert itself has a drop; if rainwater rushes directly to the wall when it enters the main channel, ...
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