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...
Porcelain is made with kaolin clay. Kaolin is white clay that retains its white color when fired. It is fired at temperatures in excess of 1300 C and is more fully vitrified than stoneware. It is usually covered with a clear glaze, which allows the white body to show.
What are the Differences between Porcelain, China, and Bone China? When with work directly with our clients and explain to them that we are working with Japanese Porcelain, we are often asked What's the difference in Porcelain and China?.