སྒྱུ་རྩལ
མཛེས་སྡུག་དང་བདེ་ཐང
བཟོ་རིག
རིག་གནས་དང་ལོ་རྒྱུས
དགའ་སྟོན
ཁོར་ཡུག
ཟས་དང་བཏུང་རྫས
ཕྱིར་འཕྲུལ་རིག
ཚན་རིག
རྩེད་འགྲན
རིག་རྩལ
གྱོན་རུང

མེ་ཁང

བིལུ་པིརིན་ཊི ༣༠ ཡོད

བིལུ་པིརིན་ཊི (༣༠)

Perforated Screen Plate: Clear- or Buhr-Punched Steel Plate (Richards, Ore Dressing, 1903)

Perforated Screen Plate: Clear- or Buhr-Punched Steel Plate (Richards, Ore Dressing, 1903)

Forge གྱིསNO

མེ་ཁང

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Steel Pipe: Butt-Welded Through a Bell, Sized, Threaded and Tested (National Tube Co., 1921)

Steel Pipe: Butt-Welded Through a Bell, Sized, Threaded and Tested (National Tube Co., 1921)

Forge གྱིསNO

མེ་ཁང

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Steel Skelp: Ingot to Bloom to Continuous Skelp Mill (National Tube Co., 1921)

Steel Skelp: Ingot to Bloom to Continuous Skelp Mill (National Tube Co., 1921)

Forge གྱིསNO

མེ་ཁང

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Iron Tube: Butt-Welded by Drawing Through Dies on a Draw Bench (Whitehouse, 1825)

Iron Tube: Butt-Welded by Drawing Through Dies on a Draw Bench (Whitehouse, 1825)

Forge གྱིསNO

མེ་ཁང

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༡
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Charcoal Finery Iron: the South Wales Process, Ball Hammered into Stamps (Percy, 1864)

Charcoal Finery Iron: the South Wales Process, Ball Hammered into Stamps (Percy, 1864)

Forge གྱིསNO

མེ་ཁང

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Ferrovanadium: Gin's Ferro-Silicon Reduction of Vanadium Trioxide (Stansfield, 1914)

Ferrovanadium: Gin's Ferro-Silicon Reduction of Vanadium Trioxide (Stansfield, 1914)

Forge གྱིསNO

མེ་ཁང

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Reverberatory Furnace: the Air Furnace for Melting Cast Iron (Bolland, 1893)

Reverberatory Furnace: the Air Furnace for Melting Cast Iron (Bolland, 1893)

Forge གྱིསNO

Industry 2.0 — Electricity, Steel & Oil (1870)

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Cupola Furnace: the Common Foundry Cupola with a Drop Bottom (Bolland, 1893)

Cupola Furnace: the Common Foundry Cupola with a Drop Bottom (Bolland, 1893)

Forge གྱིསNO

Industry 2.0 — Electricity, Steel & Oil (1870)

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Electric Arc Furnace: the Héroult Series-Arc Steel Furnace (Stansfield, 1914)

Electric Arc Furnace: the Héroult Series-Arc Steel Furnace (Stansfield, 1914)

Volt གྱིསSE

མེ་ཁང

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Induction Furnace: Ironless 540-Cycle Brass Melter, 600 lb, 80 kW (Northrup, US 1,694,792, 1928)
ཉེན་ཁ་ཅན།

Induction Furnace: Ironless 540-Cycle Brass Melter, 600 lb, 80 kW (Northrup, US 1,694,792, 1928)

Forge གྱིསNO

མེ་ཁང

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Crucible Furnace: the Brass Founder's Sunk Coke Air Furnace (Larkin, 1907)

Crucible Furnace: the Brass Founder's Sunk Coke Air Furnace (Larkin, 1907)

Forge གྱིསNO

Industry 2.0 — Electricity, Steel & Oil (1870)

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Gamelan Bronze Keys: Ten Parts Copper, Three Parts Tin, Cast and Forged

Gamelan Bronze Keys: Ten Parts Copper, Three Parts Tin, Cast and Forged

Forge གྱིསNO

ལྕགས་བཟོ

༡༩
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༠
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Tuyere Iron: a Slotted Grate Cast in Grey Iron

Tuyere Iron: a Slotted Grate Cast in Grey Iron

Forge གྱིསNO

ལྕགས་བཟོ

༢༣
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Bearing Steel Bar (52100): Crucible Steel Alloyed with Chromium

Bearing Steel Bar (52100): Crucible Steel Alloyed with Chromium

Forge གྱིསNO

ལྕགས་བཟོ

༢༧
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Nichrome Wire: Nickel and Chromium Fused, Drawn and Annealed

Nichrome Wire: Nickel and Chromium Fused, Drawn and Annealed

Forge གྱིསNO

ལྕགས་བཟོ

༡༤
༠
༠
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༣
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Chromium Metal: Chromic Oxide Reduced by Aluminium (Thermit)

Chromium Metal: Chromic Oxide Reduced by Aluminium (Thermit)

Forge གྱིསNO

ལྕགས་བཟོ

༡༨
༠
༠
༠
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Magnesium Ribbon: Rolled Hot at 450 °C and Slit

Magnesium Ribbon: Rolled Hot at 450 °C and Slit

Forge གྱིསNO

ལྕགས་བཟོ

༡༨
༠
༠
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Aluminium Powder: Molten Aluminium Shot into Water, then Stamped

Aluminium Powder: Molten Aluminium Shot into Water, then Stamped

Forge གྱིསNO

ལྕགས་བཟོ

༡༦
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Zinc Powder: Zinc Crushed Hot, Just Below Melting

Zinc Powder: Zinc Crushed Hot, Just Below Melting

Forge གྱིསNO

ལྕགས་བཟོ

༡༤
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Calcium Carbide

Calcium Carbide

Charlie གྱིསDE

བཟོ་གྲྭ

༤༩
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Smelting Tamahagane Steel in a Tatara Furnace — Traditional Japanese Steelmaking

Smelting Tamahagane Steel in a Tatara Furnace — Traditional Japanese Steelmaking

Forge གྱིསNO

ཨེ་དོའི་དུས

༡༢༩
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Smelting Copper from Malachite Ore — Extractive Metallurgy

Smelting Copper from Malachite Ore — Extractive Metallurgy

Forge གྱིསNO

སྔོན་རབས

༡༢༤
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༠
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Extracting Tin from Cassiterite — Smelting the Bronze Alloying Metal

Extracting Tin from Cassiterite — Smelting the Bronze Alloying Metal

Forge གྱིསNO

སྔོན་རབས

༡༠༣
༠
༠
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Building a Viking Riveted Cauldron — Iron Cookware

Building a Viking Riveted Cauldron — Iron Cookware

Forge གྱིསNO

ཝཱི་ཀིང

༩༠
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30 ནང་ལས་ 24 སྟོན་དོ།