To this end, any proposal for energy reduction will be studied and must be proposed to satisfy the values requested in the "constraint table". 901 Special attention will be paid to the insulation of the oven and the outside temperature of the casing must not exceed the ambient temperature.902 Exposure of hot zones to ambient air should also be worked on.903 The performances electrical consumption and thermal performances will be particularly studied and justified by the supplier of the line.904 We expect an electric consumption of less than 2 kWh/Kg of manufactured parts (as average in a year considering necessary stop and go, with a full load of the line, all utilities except : compress air and utilities for ando gaz).