<?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">double-headed nails</topic></authority><related type="broader"><topic>nails by form: head type</topic></related><variant type="other"><topic>double head nails</topic></variant><variant type="other"><topic>double-headed nail</topic></variant><variant type="other"><topic>duplex nails</topic></variant><variant type="other"><topic>form nails</topic></variant><variant type="other"><topic>nails, double-headed</topic></variant><variant type="other"><topic>nails, duplex</topic></variant><variant type="other"><topic>nails, form</topic></variant><variant type="other"><topic>nails, scaffold</topic></variant><variant type="other"><topic>scaffold nails</topic></variant> <note xml:lang="en"><![CDATA[ Nails having two heads, one above the other, used for temporary construction such as concrete forms and scaffolds. The nail can secure the work but still be easily extracted. ]]></note></mads>