Abstract: A device for detecting, isolating and exterminating hazardous microbiological agents contained inside delicate objects such as envelopes and packages commonly used in worldwide mail and transport systems which may be safely used in houses, is very economic and which can be easily produced.

Abstract: A device for detecting, isolating and exterminating hazardous microbiological agents contained inside delicate objects such as envelopes and packages commonly used in worldwide mail and transport systems which may be safely used in houses, is very economic and which can be easily produced.

Abstract: A portable liquid chilling system for chilling and disinfecting the liquid of each and every independent desired container, comprising: a refrigeration unit, a pipe having an intake liquid section, taking the liquid from a container, a liquid cooling section held to and passing trough said refrigeration unit, for chilling the liquid circulating through said liquid cooling section, and a liquid returning section, for returning the chilled liquid to said container; a liquid pump connected to the flexible pipe, for pumping the liquid from the container, through the pipe and returning it to the container; a bactericide dispenser connected to the pipe for dispensing a bactericide substance to the liquid, and a liquid filter connected to the pipe, for filtering and retiring any solid form the liquid.