{HEAD ~ The invention} relates to an arrangement and {TAIL ~ a method} for production of a three dimensional product by successive fusing together of selected parts of powder layers applied to a work table 
relates to
{ HEAD ~ The invention } relates to an arrangement and { TAIL ~ a method } for production of a three dimensional product by successive fusing together of selected parts of powder layers applied to a work table
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH