<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">grinding stones</topic></authority><related type="narrower"><topic>metates</topic></related><related type="other"><topic>grinding wheels</topic></related><related type="other"><topic>handstones</topic></related><related type="broader"><topic>culinary mills</topic></related><variant type="other"><topic>grind-stone</topic></variant><variant type="other"><topic>grind-stones</topic></variant><variant type="other"><topic>grinding stone</topic></variant><variant type="other"><topic>grindstone</topic></variant><variant type="other"><topic>grindstones</topic></variant><variant type="other"><topic>saddle quern</topic></variant><variant type="other"><topic>saddle querns</topic></variant><variant type="other"><topic>saddle-quern</topic></variant><variant type="other"><topic>saddle-querns</topic></variant><variant type="other"><topic>stone, grinding</topic></variant><variant type="other"><topic>stones, grinding</topic></variant> <note xml:lang="en"><![CDATA[ Hand-operated mills typically consisting of a slab with a slightly concave upper surface and  a smaller, smooth, rounded stone, used for grinding or pulverizing grains or other food materials. They are distinguished from grinding wheels, which are abrasive disks used for cutting or smoothing materials such as metal, glass, plastics, or clay. ]]></note></mads>