The hydraulic cylinder must be placed outside of the oven to prevent damage to its seals by elevated temperature exposure, and the oven must be modified to permit a ram attached to {TAIL ~ the hydraulic cylinder} to pass through a wall into {HEAD ~ the interior} of the oven 
The hydraulic cylinder must be placed outside of the oven to prevent damage to its seals by elevated temperature exposure , and the oven must be modified to permit a ram attached to { TAIL ~ the hydraulic cylinder } to pass through a wall into { HEAD ~ the interior } of the oven
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