<p>The food products pieces preparation method involves separating a product slice from a product of one type by using a cutting device (11a). The separated product slice of one type falls on a product carrier (19) and forms a sub-section. The product carrier with the sub-section is conveyed to the cutting device by a conveyor (13), where the product slice of another type is separated using another cutting device (11d). The separated product slice of the latter type falls on the product carrier and forms an another sub-section. Independent claims are included for the following: (1) an apparatus for automatic preparation of pieces of multiple food products of different types by using two cutting devices; and (2) a production line for multi-locations packages.</p>