<?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">hydraulic hinges</topic></authority><related type="broader"><topic>hinges by form</topic></related><variant type="other"><topic>hinges, hydraulic</topic></variant><variant type="other"><topic>hydraulic hinge</topic></variant> <note xml:lang="en"><![CDATA[ Mechanical contrivances that allow swinging motion in a single plane of one of the members to which they are attached, such as a door, and in which water or some other liquid is employed in the mechanism to control the speed at which the hinge moves; usually to slow the motion of a closing door. ]]></note></mads>