Drying produces a decided increase in the strength of wood, particularly in small specimens. An extreme example is the case of a completely dry spruce block 5 cm in section, which will sustain a permanent load four times as great as a green (undried) block of the same size will.
ఎండిపోయినప్పుడు ఏ రకమైన కలప బరువును నాలుగురెట్లు మోయగలదు?
spruce