<https://www.firesafetymart.com/dir/company/productview-1656-liquid-detector-496.html#Organization>
<http://schema.org/description>
"The device enables checking of the contents of various vessels such as plastic and glass bottles, cardboard packages and other nonmetallic containers. It provides detection of flammable and explosive liquids without violation of container sealing. It can be used by security and law-enforcement services at the airports, check-points, places of a mas"
<https://www.firesafetymart.com/yp/fire-detector/>