In order to guarantee the operator safety, when the system work on an automatic or a semi-automatic line (but also in other special testing conditions) one of the solutions available is to realize special dedicated structures (called cages), that limits physically the access to the line and, possibly, protect the operator, through the use of physical or optical barriers.
These structures are realised on demand both on the dimensions point of view and on the protections chosen and for the testing accessories (box, barcode reader, sensors, ...).