A. Size Tolerance:thickness and width(+0.2~0), length tolerance(+0~30mm);
B. no permit moldy, burl, blet, crack;
C. no permit bend and ophidian bend, the rangecan be permitted in 1M, the max bend 2 m/m;
D. Straight grain is not too wide; the spacebetween two grain is not too wide; permit diagonal grains;
E. The color of timber can't be red, the white differ too greatly (colour difference), allowing to have a white side;
F. Advert right-angle of finished products, no permit rhombus.
G. No restrict radial section
|