Recent content by bestudy

Hello , I'm ICT engineering student and I came here to keep fresh the physics knowledge learned at university.

Wood is made by several "layers", as you can see from the cutted section of the beam. More wood layers the screw pierces, more it will grips to the wood. If you screw the hooks at a angle the risks are that the screw pierces few layers or that it drills wood between layers, in which case wood...