ປໍ້ານໍ້າມັນ ຄູນຄໍ້າ5 ບໍລິຄຳໄຊ

Spruce or fir sheathing in standard o degrade and the most common types of grade that are used in building project construction phase. O.S.B is another common type of item, in which its uses are not that versatile. This is mainly because of limitations to the strength of the product and most of all the longevity in the environments that are exposed to different elements and moisture.