配方类型:

ELEMENTARY Preparations

配方说明:

soaps are made fron a fat or fatty acid and an alkali. they
lathetr and produce a foam which entraps dirt and grease. there are
many kinds of soaps.
cleaners contain a solvent, such as naphtha, with or without a soap.
abrasive cleaners are soap pastes containing powdered pumice, stone,
ailica, etc.

配方组成:

ammonium phosphate/1
ammonium sulfate/15
red ochre/2
"silex"/23
sodium bicarbonate/9
dry fire extinguisher

配制方法:

use powdered substances noly. mix well snd pass through a fine sieve. pack in tight containerts to prevent lumping.