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.
In the plumbing industry that generally refers to porcelain or vitreous china used in making toilets and lavatory sinks. China is a material that is made from clay and is glazed and high fired in a kiln.