barn.InBritain(ifsmallsquarebalesarestilltobeused),theyareusuallycollectedastheyfalloutofthebalerinabalesledgedraggedbehindthebale匚Thishasfourchannels,controlledbyautomaticmechanicalbalances,catchesandsprings,whichsorteachbaleintoitsplaceinasquareeight.Whenthesledgeisfull,acatchistrippedautomatically,andadoorattherearopenstoleavetheeightlyingneatlytogetherontheground.Thesemaybepickedupindividuallyandloadedbyhand,ortheymaybepickedupalleighttogetherbyabalegrabonatractor,aspecialfrontloaderconsistingofmanyhydraulically-powereddownward-pointingcurvedspikes-Thesquareeightwillthenbestacked,eitheronatrailerfortransport,orinaroughlycubicfieldstackeightortenlayershigh.Thiscubemaythenbetransportedbyalargemachineattachedtothethree-pointhitchbehindatractor,whichclampsthesidesofthecubeandliftsitbodily.
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