Traditional Culture Encyclopedia - Traditional culture - Italian dg tube grade
Italian dg tube grade
* **P level. * * The pipes of this grade are hand-made, using first-class logs and heather wood. The inner cavity of the barrel is pulled by hand, and the pipe handle is inlaid with two kinds of wood without any modification.
* **O level. * * In terms of material selection, only top-grade heather wood is selected for this grade of pipes, which are made by pure manual double excavation method, the inner cavity of bucket bowl is manually zipped, and the outer cavity is also finely polished and planed.
* **S level. * * In terms of material selection, this grade of pipeline only uses top-grade heather wood, which is made by hand double excavation method. The inner cavity of the bucket bowl is manually zipped, and the outer cavity is also finely polished and planed, with exquisite patterns carved.
* **L level. * * In terms of material selection, only top-grade photinia wood is selected for this grade of pipe, which is made by hand double excavation method. The inner cavity of the bucket bowl is manually zipped, and the outer cavity is finely polished and planed, and beautifully carved. It is also equipped with the classification of Italian DG tubes. I only know the following information:
Italian DG pipes are divided into five grades, namely:
* level p.
* O level.
* S level.
* L level.
* M level.
These five grades of pipes are different in material selection, manufacturing technology and smoking quality, among which M grade is the highest grade, representing the best material and technology.
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