Word:

lace card

lace card - (Obsolete) A punched card with all holes punched (also called a "whoopee card" or "ventilator card"). Card readers tended to jam when they got to one of these, as the resulting card had too little structural strength to avoid buckling inside the mechanism. Card punches could also jam trying to produce these things owing to power-supply problems. When some practical joker fed a lace card through the reader, you needed to clear the jam with a "card knife" - which you used on the joker first.
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labyrinthitis
Labyrinthodon
Labyrinthodont
Labyrinthodonta
Labyrinthodontia
Lac
lac dye
Lac lake
lac wax
Laccic
Laccin
Laccolite
Laccopetalum
Laccopetalum giganteum
Lace
lace bug
-- lace card --
lace fern
lace into
Lace leather
Lace lizard
lace making
Lace paper
Lace piece
Lace pillow
lace up
Lace-bark
lace-flower vine
Lace-winged
lacebark
Laced
Laced mutton
Laced stocking
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