A microkernel implements all drivers as user-space programs, and implements core features like IPC in the kernel itself. A monolithic kernel, however, implements the drivers as a part of the kernel...
Fine bone china is more delicate than porcelain, with a warmer, translucent finish. It is typically more expensive than porcelain. Fine china is produced without the inclusion of bone ash from similar materials to porcelain.
There are differences between ceramic and porcelain tiles that cause lots of confusion! Here are the differences, SIMPLIFIED! Ceramic Tiles: Are made with clay, minerals and water. These tiles are then fired and glazed because the ceramic is porous. This is where the color and look comes from. When coated with a glaze of grade III or higher, they are extremely resistant to scratching. Easier to install than porcelain.