<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31355099</termId><termName>tracer bullets</termName><termType>PT</termType><termNote><![CDATA[ Bullets containing a chemical mixture that ignites when the bullet is fired, producing a trail of colored flame or smoke, making the flight of the bullet visible. Their most common use is in machine gun ammunition, spaced at intervals with the regular ammunition. ]]></termNote><termCreatedDate>2026-03-30 20:35:44</termCreatedDate><relation><relationType>UF</relationType><termId>31355100</termId><termName>bullet, tracer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31355101</termId><termName>bullets, tracer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31355102</termId><termName>tracer bullet</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31324892</termId><termName>bullets</termName><termType>PT</termType></relation></term>  </Zthes>