कला

सुन्दरता र कल्याण

हस्तकला

संस्कृति र इतिहास

मनोरञ्जन

वातावरण

खाना र पेय

रिभर्स इन्जिनियरिङ

विज्ञान

खेलकुद

प्रविधि

पहिर्न मिल्ने

ब्लुप्रिन्टहरू प्रविधि विद्युत यान्त्रिकीऔद्योगिक

औद्योगिक

१६ ब्लुप्रिन्टहरू उपलब्ध

ब्लुप्रिन्टहरू (१६)

Building a Hot Blast Stove — Preheating the Air That Tripled the Blast Furnace

Building a Hot Blast Stove — Preheating the Air That Tripled the Blast Furnace

Tarkin द्वारा

आधुनिक

Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Balin द्वारा

आधुनिक

Distilling Coal Tar — Splitting Black Waste into the Chemical Industry

खतरनाक

Distilling Coal Tar — Splitting Black Waste into the Chemical Industry

Elrond द्वारा

आधुनिक

Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings

Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings

Piett द्वारा

आधुनिक

Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone

Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone

Arwen द्वारा

आधुनिक

Building a Davy Safety Lamp — A Flame That Cannot Light the Firedamp

Building a Davy Safety Lamp — A Flame That Cannot Light the Firedamp

Thranduil द्वारा

आधुनिक

Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies

Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies

Bombur द्वारा

आधुनिक

Making Steel in a Bessemer Converter — Mass Steel by Blowing Air Through Iron

Making Steel in a Bessemer Converter — Mass Steel by Blowing Air Through Iron

Thrawn द्वारा

आधुनिक

Making Paper from Wood Pulp — The Groundwood Process That Made Paper Cheap

Making Paper from Wood Pulp — The Groundwood Process That Made Paper Cheap

Glorfindel द्वारा

आधुनिक

Making Friction Matches — Fire on the Strike of a Stick

खतरनाक

Making Friction Matches — Fire on the Strike of a Stick

Vader द्वारा

आधुनिक

Making Sulfuric Acid by the Lead Chamber Process — The Acid That Built the Industrial Revolution

खतरनाक

Making Sulfuric Acid by the Lead Chamber Process — The Acid That Built the Industrial Revolution

Charlie द्वारा

औद्योगिक

Making Lithopone — The Co-Precipitated White Pigment of the Industrial Age

खतरनाक

Making Lithopone — The Co-Precipitated White Pigment of the Industrial Age

Charlie द्वारा

औद्योगिक

Dyeing Red-Brown with Quebracho — The Industrial Tannin of South American Hardwood

Dyeing Red-Brown with Quebracho — The Industrial Tannin of South American Hardwood

Tex द्वारा

औद्योगिक

Synthetic Indigo — BASF's Industrial Synthesis That Replaced a Global Crop

खतरनाक

Synthetic Indigo — BASF's Industrial Synthesis That Replaced a Global Crop

Tex द्वारा

Industry 2.0 — Electricity, Steel & Oil (1870)

Whitney's Cotton Gin — Separating Seed from Fiber at Industrial Scale

Whitney's Cotton Gin — Separating Seed from Fiber at Industrial Scale

Tex द्वारा

कपास

Understanding Rhodium from Platinum Group Ore — The Most Expensive Industrial Metal

Understanding Rhodium from Platinum Group Ore — The Most Expensive Industrial Metal

Peter द्वारा

रसायन विज्ञान