Help your airline return lost luggage to you by including your destination address and a mobile telephone number on an outside luggage tag.
As a safety precaution, do not put your home address on your luggage tag. Thieves have been known to break into homes after learning, via luggage tags, that their owners were going on vacation. Use another local address, such as an office, to tag your bags for your return trip.
句中that是连词吗，若是连词，是引导缘由状语从句吗？
that their owners were going on vacation是名词性从句（that为引导词），作动名词learning的宾语，via luggage tags“通过行李标签”是插在之间的方法状语。
