A machine arrangement which operates on a plurality of articles comprising: a plurality of machines arranged to cooperate with each other in a manner to form a machine arrangement, the plurality of machines including an upstream machine and a downstream machine, at least one of the machines comprising a means for modifying the articles by at least one of moving, holding, manipulating, and shaping the articles as they pass from an article infeed to an article discharge of the machine arrangement and move along a path having a predetermined configuration; and a means for recirculating articles within the machine arrangement, the means for recirculating articles being configured to move articles from the downstream machine after a first pass and recirculate the articles back to the upstream machine in a recirculation path so that the articles which are recirculated through the recirculation pass are subjected to a variation of the at least one machine with means for modifying the articles that the articles have previously passed through in the first pass; characterised in that: the machine arrangement further comprises a_means for applying lubrication to the articles entering the machine arrangement at the article infeed and means for applying lubrication to the articles in the recirculation pass, wherein the recirculation means includes a means for transferring articles from the downstream to the upstream one of the machines,wherein the means for transferring articles includes a means (160,170) for adjusting size such that the arrangement accommodates articles of varying heights, wherein the means for adjusting size comprises a rack and pinion arrangement (162,163), and wherein the rack and pinion arrangement includes at least one crank wheel operably connected to a line shaft and a plurality of racks and pinions, and wherein upon the turning of the line shaft via the crank wheel, the pinions simultaneously rotate to move the corresponding racks forwards and/or backwards to vary a width of an article guide track. a plurality of machines arranged to cooperate with each other in a manner to form a machine arrangement, the plurality of machines including an upstream machine and a downstream machine, at least one of the machines comprising a means for modifying the articles by at least one of moving, holding, manipulating, and shaping the articles as they pass from an article infeed to an article discharge of the machine arrangement and move along a path having a predetermined configuration; and a means for recirculating articles within the machine arrangement, the means for recirculating articles being configured to move articles from the downstream machine after a first pass and recirculate the articles back to the upstream machine in a recirculation path so that the articles which are recirculated through the recirculation pass are subjected to a variation of the at least one machine with means for modifying the articles that the articles have previously passed through in the first pass; characterised in that: the machine arrangement further comprises a_means for applying lubrication to the articles entering the machine arrangement at the article infeed and means for applying lubrication to the articles in the recirculation pass, wherein the recirculation means includes a means for transferring articles from the downstream to the upstream one of the machines,wherein the means for transferring articles includes a means (160,170) for adjusting size such that the arrangement accommodates articles of varying heights, wherein the means for adjusting size comprises a rack and pinion arrangement (162,163), and wherein the rack and pinion arrangement includes at least one crank wheel operably connected to a line shaft and a plurality of racks and pinions, and wherein upon the turning of the line shaft via the crank wheel, the pinions simultaneously rotate to move the corresponding racks forwards and/or backwards to vary a width of an article guide track. the machine arrangement further comprises a_means for applying lubrication to the articles entering the machine arrangement at the article infeed and means for applying lubrication to the articles in the recirculation pass, wherein the recirculation means includes a means for transferring articles from the downstream to the upstream one of the machines,wherein the means for transferring articles includes a means (160,170) for adjusting size such that the arrangement accommodates articles of varying heights, wherein the means for adjusting size comprises a rack and pinion arrangement (162,163), and wherein the rack and pinion arrangement includes at least one crank wheel operably connected to a line shaft and a plurality of racks and pinions, and wherein upon the turning of the line shaft via the crank wheel, the pinions simultaneously rotate to move the corresponding racks forwards and/or backwards to vary a width of an article guide track.