SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
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SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Industry 2.0 — Electricity, Steel & Oil (1870)
Mipango 264 inapatikana
Miradi (264)
Hatari
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
na Peter
Kemia
27
0
0
0
11
0
Hatari
Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass
na Peter
Kemia
37
0
0
0
1
0
Hatari
Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future
na Peter
Kemia
33
0
0
0
3
0
Hatari
Kuratibu Kipimajoto kwa Kutumia Nukta Mbili Thabiti za Celsius
na Penny
Fizikia
47
0
0
0
0
0