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Utengenezaji wa Kupunguza
Mipango 81 inapatikana • Vijamii 5
Vinjari Vijamii
Miradi (81)
Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold
na Peter
Kale
30
0
0
0
1
0
Understanding Titanium Extraction from Ilmenite — The Impossible Metal to Smelt
na Peter
Kemia
26
0
0
0
1
0
Maudhui hatari
Isolating Platinum from Alluvial Deposits — The Unwanted Silver of the Conquistadors
na Peter
Uchimbaji madini
13
0
0
0
5
0
Kutengeneza Molybdenum kutoka Molybdenite — Risasi Nyinzani Inayoimarisha Chuma
na Peter
Uchimbaji madini
23
0
0
0
0
0
Extracting Tungsten from Wolframite — The Heaviest Practical Metal
na Peter
Uchimbaji madini
29
0
0
0
0
0
Maudhui hatari
Extracting Chromium from Chromite — The Element That Paints the Rainbow
na Peter
Kemia
12
0
0
0
0
0
Maudhui hatari
Extracting Manganese from Pyrolusite — The Cave Painter's Black That Cleans Glass
na Peter
Uchimbaji madini
21
0
0
0
2
0
Maudhui hatari
Extracting Nickel from Pentlandite — The Devil's Copper That Wouldn't Behave
na Peter
Kemia
11
0
0
0
0
0
Maudhui hatari
Extracting Cobalt from Cobaltite — The Goblin Metal That Colors Glass Blue
na Peter
Jedwali la Kipindi
30
0
0
0
3
0
Maudhui hatari
Extracting Arsenic from Arsenopyrite — The Poison King of the Elements
na Peter
Kale
17
0
0
0
3
0
Extracting Bismuth from Bismuthinite — The Rainbow Metal from Sulfide Ore
na Peter
Uchimbaji madini
22
0
0
0
0
0
Extracting Antimony from Stibnite — The Ancient Cosmetic Turned Metal
na Peter
Uchimbaji chuma
24
0
0
0
1
0
Extracting Zinc from Sphalerite — Roasting and Reduction of the Invisible Metal
na Peter
Kale
18
0
0
0
5
0
Extracting Silver by Cupellation — Separating Noble Metal from Lead Ore
na Peter
Kale
27
0
0
0
2
0
Panning Gold from Alluvial Deposits — Gravity Separation of the Noble Metal
na Peter
Mineralogy
25
0
0
0
0
0
Maudhui hatari
Uchimbaji wa Zebaki kutoka Sinabari — Kutenganisha Fedha-hai kutoka Madini Nyekundu
na Peter
Jedwali la Kipindi
48
0
0
0
2
0
Ruda bagienna — zbieranie rudy darniowej z torfowisk i bagien
na PaniRoza
Uchimbaji madini
22
0
0
0
0
0
Estrazione del Marmo di Carrara — Dalla Cava al Blocco Squadrato
na SignoraRosa
Kale
19
0
0
0
0
0
अभ्रक संग्रहण झारखंड — खदान से मस्कोवाइट अभ्रक पत्तियाँ निकालना
na DidiiKamal
Geology
15
0
0
0
0
0
Recolección de Obsidiana — Identificación y Extracción de Vidrio Volcánico en México
na SeñorMartillo
Nyika
21
0
0
0
0
0