Purified water water for injection should not be a level, it should be said that the water for injection than purified water to a higher level, which removed the heat source material. So that the use of purified water to make no heat source water is also a greater use.
In the pharmaceutical process will use a certain amount of purified water for raw material mixing, so this aspect is also used.
Then several aspects belong to the large-scale use of pharmaceuticals. Just for reference.