Sentence:  Afterwards put them into handlers with a part of the bark which comes out of the leaches or tubs, and fill them up with a weak <WSD>wooze</WSD>; in this situation they are to remain for about two or three weeks, more or less, handling them, however, during that time once or twice every day; this operation takes the lime out which the hides may contain, and prepares them for the tannage. 
Meaning of the word marked with <WSD> tags:  A liquid formed by leaching bark that is used for soaking hides during the tanning process.