What is powder technology?
Official definition can be find on (http://www.iijnet.or.jp/SPTJ/index_e.html).
In brief , everything on powder.
Usually, It is considered as the work that resembled work to make wheat flour.
I answer that almost all kind of thing in the world are made from powder, but it is vague.
So I do an allegory.
A : "I show printing paper of a printer of personal computer, if I say that this paper is a lump of powder, do you understand it?"
B: "Yes,paper are fiber make from wood."
A: "It is so, too, but 30% are powder of calcium carbonate generally"
B: " It is lime?"
A: "By baking Lime stone , we can get lime. Next,we throw in the water and make calcium hydroxide. We blow in carbon dioxide, which produced baking processes , and get muddy water. Next, filter water through porous materials. "
B: "Why do you take a roundabout way to make the powder?. We can get it by fine grinding the stone. "
A: " It is necessary special calcium carbonate powder to prevent soak of ink. It is what there is an electron microscope as for it, and it understood for the first time."
B: "Is it which your high technology of powder?"
A: "Calcium carbonate powder enters a tire of a car in rubber if I say so.
In this also, a effort to find a powder to suited to the object of manufacturer being wet with tear.".
B: "Really, In brief it is a body of modern civilization."
A: "It seems to be so."