What is the general choice for clean rooms? Which is better? Is it better to rust? Paint trunking, galvanized trunking: that good? expensive? Their advantages and disadvantages? What is the paint process? What is the galvanizing process? Market reference price? Can 200X100 as an example. Is there anything else better? Other supplements Can give 200 points. Question added: galvanized also divided several? How much is galvanized? How much is hot galvanized? How much is the paint? Or between the spreads? More
Change the new power supply! I have encountered such a thing, in a friend's house, another power like a!
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It depends on where is not used, and if it is in the larger works is absolutely impossible, because the project line is relatively long, and the strength of the uneven quality of the wire is likely to cause leakage or crosstalk, there are A considerable part of the hidden dangers, it is recommended to take the various pipelines or trunking, and spacing 30 cm away!
