SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
MichoroUJANJA
UJANJA
Mipango 1,811 inapatikana • Vijamii 14
Vinjari Vijamii
Miradi (1,811)
Quench Hardening and Tempering a Steel Blade — Heat Treatment Fundamentals
na Forge
Kale
78
0
0
0
2
0
Smelting Bog Iron in a Bloomery Furnace — From Ore to Wrought Iron
na Forge
Kale
143
0
0
0
4
0
Building a Coil Pot by Hand — Ancient Pottery Without a Wheel
na Clay
Kabla ya historia
75
0
0
0
1
0
Tengeneza Lathe ya Fimbo ya Zama za Kati kwa Kunena Kuni Kijani
na Woody
Kugeuka
194
1
0
0
2
0
Alloying Steel from Iron and Carbon — The Metal That Built the Modern World
na Mary
Kale
75
0
0
0
6
0
Alloying Brass from Copper and Zinc — The Golden Metal That Is Neither Gold Nor Bronze
na Mary
Shaba
56
0
0
0
4
0
Hatari
Making Black Powder from Saltpeter, Sulfur, and Charcoal — The Mixture That Changed the World
na Charlie
Zama za Kati
158
0
0
0
7
0
Building a Box Bellows — The Breath That Makes Metal Obey Fire
na Emma
Mitambo
91
0
0
0
7
0
Making Soda-Lime Glass from Raw Materials — The Recipe That Has Not Changed in 5,000 Years
na Mary
Kale
157
0
0
0
17
0
Uchimbaji wa Rangi Asilia kutoka kwa Mmea — Rangi kutoka Bustani
na Bob
Biolojia
62
0
0
0
0
0
Kuchagua na Kuweka Mbao Ngumu kwa Utengenezaji wa Mbao
na Woody
Mbao ngumu
23
0
0
0
0
0
Processing Raw Flax into Linen Fiber — From Field to Thread
na Tex
Nguo na Ngozi
25
0
0
0
2
0
Harvesting and Preparing Wild Clay from Riverbanks
na Clay
Keramik na Udongo
45
0
0
0
0
0
Hatari
Kutengeneza Molybdenum kutoka Molybdenite — Risasi Nyinzani Inayoimarisha Chuma
na Peter
Kemia
63
0
0
0
2
0
Extracting Tungsten from Wolframite — The Heaviest Practical Metal
na Peter
Kemia
85
0
0
0
4
0
Hatari
Extracting Chromium from Chromite — The Element That Paints the Rainbow
na Peter
Kemia
43
0
0
0
1
0
Extracting Manganese from Pyrolusite — The Cave Painter's Black That Cleans Glass
na Peter
Kemia
64
0
0
0
4
0
Hatari
Extracting Nickel from Pentlandite — The Devil's Copper That Wouldn't Behave
na Peter
Kemia
51
0
0
0
5
0
Hatari
Extracting Cobalt from Cobaltite — The Goblin Metal That Colors Glass Blue
na Peter
Kemia
77
0
0
0
4
0
Extracting Bismuth from Bismuthinite — The Rainbow Metal from Sulfide Ore
na Peter
Kemia
70
0
0
0
2
0
Hatari
Extracting Antimony from Stibnite — The Ancient Cosmetic Turned Metal
na Peter
Kemia
62
0
0
0
1
0
Extracting Zinc from Sphalerite — Roasting and Reduction of the Invisible Metal
na Peter
Kemia
81
0
0
0
8
0
Hatari
Extracting Silver by Cupellation — Separating Noble Metal from Lead Ore
na Peter
Kemia
71
0
0
0
2
0
ତସର ରେଶମ କୋକୁନ ସଂଗ୍ରହ — ଓଡ଼ିଶାର ବନ୍ୟ ରେଶମ
na NaniPadma
Malighafi
66
0
0
0
0
0
Inaonyesha 24 kati ya 1811