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...
You will often hear the term *china* and/or *porcelain* used interchangeably to refer to many types of tableware, but there are major differences between fine bone china and porcelain. What are they? Fine bone china is translucent, its clay body is white and, while still strong, it is more fragile than porcelain.
The purest clay is kaolin, or china clay. Called a primary clay because it is found very near its source, kaolin has few impurities and is the main ingredient used in making porcelain. Because its particle size is larger than other clays, it is not very plastic.