| gptkbp:notableProduct | gptkb:steam_locomotive gptkb:Paris_Gun
 gptkb:shooting
 gptkb:artillery
 gptkb:industrial_equipment
 locomotives
 naval guns
 tanks
 machinery parts
 steel bridges
 cranes
 industrial machinery
 presses
 rolling mills
 industrial plant construction
 railway wheels
 U-boat components
 submarine hulls
 steel cannon
 steel castings
 Big Bertha (howitzer)
 chemical plant equipment
 armored plate
 forged steel products
 shipbuilding components
 
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