Make up a module of lat bend is increased, and pressure resistance value is increased by (sunan thiphakon and Lieutenant natthaporn thip nanon, 2544 (2001); u.s, common practice. Na-nan and Council, 2546 (2003))
Make the modulus of bending resistance is increasing and the pressure was increased (Sunan nectar Tipakorn and Nattaporn's First Integrated, 2544; Suwat Na Nan et al, 2546).
The modulus of bending resistance increases and the pressure increases (Sunan divine sun and nattaporn master, please d 2544;? Lucky card Na Nan and board, 2546)