Plant for working products comprising at least a machine (2a, 2b, 2c) having at least a mobile tool for working products and at least a safety system for operating said tool in safety conditions for a user and comprising: - at least a piece of clothing wearable by said user which comprises at least a protection glove for the hands of said user, - at least an electromagnetic field generator which is mounted on at least one between said piece of clothing and said machine (2a, 2b, 2c), and - at least an electromagnetic sensor element which is suitable for cooperating with said electromagnetic field to determine the position of said piece of clothing with respect to said tool and which is mounted on at least one between said piece of clothing and said machine (2a, 2b, 2c), said electromagnetic field generator and said electromagnetic sensor element being electronically associated with a processing and control unit suitable for calculating the position of said piece of clothing with respect to said tool according to the signal read by said electromagnetic sensor element and allowing the operation/deactivation of said tool according to such position, characterized by the fact that: - said electromagnetic field generator is mounted on said piece of clothing and said electromagnetic sensor element is mounted on said machine (2a, 2b, 2c); - said electromagnetic field generator comprises at least a first metal element and a second metal element between which at least an alternate-current generator is placed, and - said glove comprises a multi-layer structure having: - a first layer, for outer covering, in electrically insulating material; - a second layer, in electrically conductive material, arranged inside said first layer and suitable for defining said first metal element; - a third layer, in electrically insulating material, arranged inside said second layer; - a fourth layer, in electrically conductive material, arranged inside said third layer and suitable for defining said second metal element and for being placed directly in contact with the hand of said user. - at least a piece of clothing wearable by said user which comprises at least a protection glove for the hands of said user, - at least an electromagnetic field generator which is mounted on at least one between said piece of clothing and said machine (2a, 2b, 2c), and - at least an electromagnetic sensor element which is suitable for cooperating with said electromagnetic field to determine the position of said piece of clothing with respect to said tool and which is mounted on at least one between said piece of clothing and said machine (2a, 2b, 2c), - said electromagnetic field generator is mounted on said piece of clothing and said electromagnetic sensor element is mounted on said machine (2a, 2b, 2c); - said electromagnetic field generator comprises at least a first metal element and a second metal element between which at least an alternate-current generator is placed, and - said glove comprises a multi-layer structure having: - a first layer, for outer covering, in electrically insulating material; - a second layer, in electrically conductive material, arranged inside said first layer and suitable for defining said first metal element; - a third layer, in electrically insulating material, arranged inside said second layer; - a fourth layer, in electrically conductive material, arranged inside said third layer and suitable for defining said second metal element and for being placed directly in contact with the hand of said user. - a first layer, for outer covering, in electrically insulating material; - a second layer, in electrically conductive material, arranged inside said first layer and suitable for defining said first metal element; - a third layer, in electrically insulating material, arranged inside said second layer; - a fourth layer, in electrically conductive material, arranged inside said third layer and suitable for defining said second metal element and for being placed directly in contact with the hand of said user.