all perform eattain thinning:alive duties on hdulf of the Purchater in extruling and managing the perkimunce of this Puniate order on behalf o.f 'be Purehbea to the earent required by the nalw of the Inn coins °meted hereby. the goods. lailitittalk. and. el SON kV% tieing purchatedhaeutuki • lifts0,1 ur