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...
The main difference between porcelain and fine bone china is the inclusion of up to 50 percent bone ash in the porcelain mixture that makes up bone china. China is also typically fired at a lower temperature than porcelain, which is double-fired at very high temperatures. Keep Learning.
Porcelain is the term currently being used to refer to the highest quality ceramics. Kaolin is used in the manufacture, and it is usually very delicate. Another member reminded me that the most significant identifying factor for porcelain is it's translucence. You can see a shadow of your finger through it if you hold it up to the light.