The first food to be loaded into the container was canned beans at room temperature.
Contrary to our hypothesis, this test resulted in 41 tags read out of 42, which corresponds to 97.6% readability.
As previously mentioned, radio waves are reflected on metal surfaces.
When tags are attached to metal objects, the main factor that reduces tags' radiation efficiency is that incident electromagnetic waves totally reflect from the metallic surface with a 180° phase reversal.
The reflected wave will cancel the incident wave and reduce the energy available to activate the RFID tags chips