"make thin" - Translation from English to Arabic

If you're trying to work with wood, the ability to keep a sharp edge meant you could make thin planks, you could shape beams, you could build better ships.
إمكانية الإبقاء على حواف حادة عنى أنه يُمكنك عمل فراغات دقيقة, و يُمكنك تشكيل العوارض و بناء سفن أفضل.