موضوع: производство пиломатериалов

This technique results in noticeable curves in the long run grain, which represents the different progress rings. Each of those development rings have a unique profile, density of fibers. Every development ring will broaden/contract with moisture at completely different charges, which can result in distortions in your board over time. The bigger the distinction in progress ring profile, the more kind of lumber will transfer in strange methods. It is thus the most tough to deal with, but is also ...