876 MODERN STEAM PRACTICE . the bolt heads , or nuts , are filled up with a plug of wood driven hard in , the plug being previously dipped in paint . 1 The transverse water - tight bulkheads should be temporarily fitted to the frames to which they are secured before the frames are put in Position .… … Fig . 632 . — Bulkhead . a , Plating . b b , Angle irons . and the horizontal joints butted d , Frame . C , Deck - beam angle iron . or lapped with strips single rivetted . The vertical stiffening bars are worked directly on the plates , no liners being required , horizontal stiffening bars are…
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