This special sewing machine may be set up and operated onlyin dry, well-maintained premises. If the sewing machine is used inpremises which are not dry and well-maintained it may benecessary to take further precautions, which should be agreed upon inadvance (see EN 60204-31:1999).As manufacturers of industrial sewing machines we proceed on theassumption that personnel who work on our products will havereceived training at least sufficient to acquaint them with all normaloperations and with any hazards which these may involve.3 Subclasses868-190020 Single-needle double-lockstitch post bed machinewith bottom feed, needle feed, alternating upperfoot feed and large hook.867-290020 Double-needle double-lockstitch post bed machinewith bottom feed, needle feed, alternating upperfoot feed and large hook.868-190322 Single-needle double-lockstitch post bed machinewith bottom feed, needle feed, alternating upperfoot feed, electro-pneumatic rapid strokeadjustment with automatic speed limitation,operated via knee lever, electro-magnetic threadcutter, electro-pneumatic seam bartacking,electro-pneumatic second stitch length and sewingfoot lifting. With large hook, with integrated sewinglamp.Function keys for: manually sewing backward,needle high/low/single stitch, switching on/off of thebartack, 2nd stitch length, switching on/off of thesupplementary thread tension .868-290322 Double-needle double-lockstitch post bed machinewith bottom feed, needle feed, alternating upperfoot feed, electro-pneumatic rapid strokeadjustment with automatic speed limitation,operated via knee lever, electro-magnetic threadcutter, electro-pneumatic seam bartacking,electro-pneumatic second stitch length and sewingfoot lifting. With large hook, with integrated sewinglamp.Function keys for: manually sewing backward,needle high/low /single stitch, switching on/off ofthe bartack, 2nd stitch length, switching on/off ofthe supplementary thread tension.6