head to tail dyeing problmhead windheadbandheadgearheadleheadle wireheadrestheadstockhealdheald eyeheald frameheald frame leveling deviceheald frame rodheald frame stayheald jackheald leveling deviceheald rodheald shaftheald wireheatheat conductionheat conductivity specificheat exchangerheat of fusionheat of polymeristaionheat of solutionheat of sorptionheat of swellingheat of wettingheat reactionheat resistanceheat resistingheat setheat settingheat setting of fibreheat setting shrinkageheat shrinkheat stabilityheat treatmentheatdegradationheated draw pinheaterheavyheavy beat up fabricheavy chemicalheavy conditioned woolheavy dutyheavy filing barheavy markheavy pick