《天工开物·上篇·彰施》
干的渣滓叫 紫粉 ，画家们有时用到它，而染坊则把它当做废物扔掉。
其滓干者名曰紫粉，丹青家或收用，染家则糟粕弃也。
The dried residue is called purple powder which is used by artists sometimes. However, in the dyehouse, it is considered a waste product and discarded.
<s>[INST] 请提供这段文言文的现代汉语解释: 其滓干者名曰紫粉，丹青家或收用，染家则糟粕弃也。 [/INST] 干的渣滓叫 紫粉 ，画家们有时用到它，而染坊则把它当做废物扔掉。</s>
请提供这段文言文的现代汉语解释: 其滓干者名曰紫粉，丹青家或收用，染家则糟粕弃也。
user
干的渣滓叫 紫粉 ，画家们有时用到它，而染坊则把它当做废物扔掉。
assistant