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.
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.