Traditional Culture Encyclopedia - Traditional festivals - How to spray the arrow in the ring of fire?
How to spray the arrow in the ring of fire?
1 First of all, the direction of the pipeline logo and arrow is consistent with the direction of water flow or air flow in the pipeline, and the arrow is in front of the text. In order to keep the appearance consistent, the template should be formulated uniformly, and then painted or sprayed.
2. Secondly, the words and arrows of the pipeline should be adapted to the diameter of the pipeline. The general font is Song Ti.
3. The size of the last word is considered as 0.3-0.5 times of the pipe diameter, and the length of the arrow is considered as the pipe diameter, with a diameter of ≤80mm and a length of 2-2.5 times of the pipe diameter; Diameter > > 80mm, length 200-400mm.
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