<?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">jackhammers</topic></authority><related type="broader"><topic>power hammers</topic></related><related type="broader"><topic>drills</topic></related><variant type="other"><topic>drills, percussion</topic></variant><variant type="other"><topic>drills, percussive</topic></variant><variant type="other"><topic>hammer, air</topic></variant><variant type="other"><topic>hammers, air</topic></variant><variant type="other"><topic>hammers, pneumatic</topic></variant><variant type="other"><topic>jackhammer</topic></variant><variant type="other"><topic>percussion drills</topic></variant><variant type="other"><topic>percussive drill</topic></variant><variant type="other"><topic>percussive drills</topic></variant><variant type="other"><topic>pneumatic hammers</topic></variant><variant type="other"><topic>air hammers</topic></variant><variant type="other"><topic>drill, percussive</topic></variant> <note xml:lang="en"><![CDATA[ Hand-held pneumatically powered drills which hammer and rotate a bit or chisel; used for drilling rock or breaking up concrete, asphalt, or paving. ]]></note></mads>