During this final phase is achieved the reduction of the cost to obtain
the lowest possible ones. For that an "assembly line" is designed which
includes the different activities to be carried out, such as the manufacturing,
transport and assembly of the pieces. This means that here are indicated
the pieces to manufacture, transport and assemble every day, in order to
avoid any dead point at the assembly line; or pieces' stock at any intermediate
point of the assembly line. The pieces are therefore manufactured in the
same order and as fast as its assembly, and for that purpose are created
the following documents: