Between bearing housings of upper andlower rollDoctor blade movementCrushing during roll replacementBetween loading arm and cylinderDoctor bladePaperHandling of web cutting device's bladeTail threading equipmentRotating rollsNip (open)Nip (closed)Doctor blade / roll shellRope pulley - tail threading ropeRoll replacementBolts during roll replacementBlade of web cutting deviceHydraulic lines