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

བཟོ་གྲྭ

བིལུ་པིརིན་ཊི ༣༠ ཡོད

བིལུ་པིརིན་ཊི (༣༠)

Electroless Nickel Plating

Electroless Nickel Plating

Charlie གྱིསDE

རྫས་རིག

༡༠
Bower-Barff Rustless Iron

Bower-Barff Rustless Iron

Emma གྱིསSE

ལྕགས་བཟོ

Powder Coating

Powder Coating

Karen གྱིསSE

རྫས

༡༨
Chromium Plating
ཉེན་ཁ་ཅན།

Chromium Plating

Charlie གྱིསDE

རྫས་རིག

༡༥
Anodising Aluminium
ཉེན་ཁ་ཅན།

Anodising Aluminium

Mary གྱིསFI

རྫས

༡༤
Metal Spraying

Metal Spraying

Emma གྱིསSE

ལྕགས་བཟོ

༡༥
Phosphate Rust-Proofing

Phosphate Rust-Proofing

Charlie གྱིསDE

རྫས་རིག

༡༤
Sherardizing

Sherardizing

Mary གྱིསFI

རྫས

Electroplating

Electroplating

Charlie གྱིསDE

རྫས་རིག

༡༠
Sulfite Wood Pulp

Sulfite Wood Pulp

Karen གྱིསSE

ཤོག་བཟོ

༡༩
Dynamite
ཉེན་ཁ་ཅན།

Dynamite

Clay གྱིསDK

བཟོ་གྲྭ

༡༨
Calcium Carbide

Calcium Carbide

Charlie གྱིསDE

བཟོ་གྲྭ

༢༦
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass

Charlie གྱིསDE

Metal

༣༥
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
ཉེན་ཁ་ཅན།

Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge

Peter གྱིསSE

Metal

༣༠
Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers
ཉེན་ཁ་ཅན།

Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers

Charlie གྱིསDE

Plastic

༣༡
Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals

Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals

Charlie གྱིསDE

རྫས་རིག

༢༣
Making Celluloid — The First Synthetic Plastic That Changed Everything
ཉེན་ཁ་ཅན།

Making Celluloid — The First Synthetic Plastic That Changed Everything

Charlie གྱིསDE

Plastic

༤༨
Making Nitrocellulose (Guncotton) — The Nitration That Launched Smokeless Powder and Plastics
ཉེན་ཁ་ཅན།

Making Nitrocellulose (Guncotton) — The Nitration That Launched Smokeless Powder and Plastics

Charlie གྱིསDE

Plastic

༦༣
Vulcanizing Rubber with Sulfur — The Accidental Discovery That Put Tyres on the Road

Vulcanizing Rubber with Sulfur — The Accidental Discovery That Put Tyres on the Road

Charlie གྱིསDE

རྫས་རིག

༣༨
Making Portland Cement from Limestone and Clay — The Material That Built the Modern World

Making Portland Cement from Limestone and Clay — The Material That Built the Modern World

Charlie གྱིསDE

རྫས་རིག

༢༧