སྒྱུ་རྩལ
མཛེས་སྡུག་དང་བདེ་ཐང
བཟོ་རིག
རིག་གནས་དང་ལོ་རྒྱུས
དགའ་སྟོན
ཁོར་ཡུག
ཟས་དང་བཏུང་རྫས
ལྗང་མ་འཇོར་ལུགས
ཕྱིར་འཕྲུལ་རིག
ཚན་རིག
རྩེད་འགྲན
རིག་རྩལ
གྱོན་རུང
བིལུ་པིརིན་ཊིCraft
བཟོ་རིག
བིལུ་པིརིན་ཊི 222 ཡོད • ཡན་ལག་དབྱེ་རིམ 11
ཡན་ལག་དབྱེ་རིམ་ལྟ་བཤེར
བིལུ་པིརིན་ཊི (222)

Hazardous content
Alloying Steel from Iron and Carbon — The Metal That Built the Modern World
by Mary
Ancient
2
0
0
0
4
0

Hazardous content
Alloying Brass from Copper and Zinc — The Golden Metal That Is Neither Gold Nor Bronze
by Mary
Specialty Alloys
0
0
0
0
6
0

Hazardous content
Making Black Powder from Saltpeter, Sulfur, and Charcoal — The Mixture That Changed the World
by Charlie
Weaponry
2
0
0
0
6
0

Building a Box Bellows — The Breath That Makes Metal Obey Fire
by Emma
Metalworking Tools
1
0
0
0
12
0

Making Soda-Lime Glass from Raw Materials — The Recipe That Has Not Changed in 5,000 Years
by Mary
Chemistry
2
0
0
0
10
0

གི་མེ་ཏོག་ནས་ལྟེ་མེད་ཀྱི་ཞིང་རྒྱུ་ཕྲེང་སྐབས་གངས་སུ་ཕྱུགས། — སྐྱེས་བུའི་ལྟེ་མེད་ཀྱི་མདངས།
by Bob
Botany
6
0
0
0
0
0

ཤིང་ལས་ཆེད་དུ་ཤིང་མཁྲེགས་འདེམས་ཤིང་སྐམ་པོར་བཟོ་ཐབས།
by Woody
Subtractive Manufacturing
5
0
0
0
0
0

Processing Raw Flax into Linen Fiber — From Field to Thread
by Tex
Textile & Leather
1
0
0
0
0
0

Harvesting and Preparing Wild Clay from Riverbanks
by Clay
Ceramics & Clay
1
0
0
0
0
0

མོ་ལིབ་ཌི་ནའི་ཊ་ནས་མོ་ལིབ་ཌི་ནམ་ལེན་ཐབས། — ལྕགས་མཁྲེགས་པོ་བཟོ་བའི་འཇམ་པོའི་བཟི།
by Peter
Periodic Table
0
0
0
0
2
0

Extracting Tungsten from Wolframite — The Heaviest Practical Metal
by Peter
Ancient
1
0
0
0
6
0

Hazardous content
Extracting Chromium from Chromite — The Element That Paints the Rainbow
by Peter
Mining
0
0
0
0
1
0

Hazardous content
Extracting Manganese from Pyrolusite — The Cave Painter's Black That Cleans Glass
by Peter
Specialty Alloys
0
0
0
0
4
0

Hazardous content
Extracting Nickel from Pentlandite — The Devil's Copper That Wouldn't Behave
by Peter
Periodic Table
0
0
0
0
5
0

Hazardous content
Extracting Cobalt from Cobaltite — The Goblin Metal That Colors Glass Blue
by Peter
Metalworking
0
0
0
0
2
0

Extracting Bismuth from Bismuthinite — The Rainbow Metal from Sulfide Ore
by Peter
Specialty Alloys
2
0
0
0
2
0

Extracting Antimony from Stibnite — The Ancient Cosmetic Turned Metal
by Peter
Ancient
2
0
0
0
0
0

Extracting Zinc from Sphalerite — Roasting and Reduction of the Invisible Metal
by Peter
Metalworking
0
0
0
0
6
0

Extracting Silver by Cupellation — Separating Noble Metal from Lead Ore
by Peter
Chemistry
0
0
0
0
1
0

ତସର ରେଶମ କୋକୁନ ସଂଗ୍ରହ — ଓଡ଼ିଶାର ବନ୍ୟ ରେଶମ
by NaniPadma
Raw Materials
4
0
0
0
0
0