A LIQUID KEY FOR USE WITH PUMPABLE EXPLOSIVES

摘要

A security system for providing conditional access to contents of a container includes a container having a closable access port for charging or discharging contents of the container; and a charging and/or discharging means for charging or discharging the contents of the container, wherein the container and the charging and/or discharging means have security devices, which are operable to enable charging and/or discharging of the container only if the security devices the container and the charging and/or discharging device match one another.