Research on Armor-piercing Explosive Shells

Recipe Formula

Recipe	Materials	Result
Armour Howitzer (2) 1 1 1 -50	Gunpowder x3 Cannon Shot x2 Steel x5	Armour Howitzer 2 x1
Armour Howitzer (4) 2 2 1 -55	Gunpowder x5 Cannon Shot x4 Steel x7	Armour Howitzer 4 x1
Armour Howitzer (6) 3 3 1 -60	Gunpowder x7 Cannon Shot x6 Steel x9	Armour Howitzer 6 x1
Armour Howitzer (8) 4 4 2 -70	Gunpowder x9 Cannon Shot x8 Steel x11	Armour Howitzer 8 x1
Armour Howitzer (14) 5 5 2 -80	Gunpowder x10 Cannon Shot x10 Steel x10	Bow Armour Howitzer x1
Armour Howitzer (16) 6 6 2 -85	Gunpowder x10 Cannon Shot x10 Steel x10	Stern Armour Howitzer x1

Records of research on Armor-piercing Explosive Shells and its process.