УРЛАГ
ГОО САЙХАН БА ЭРҮҮЛ МЭНД
ГАРААР ХИЙСЭН
СОЁЛ БА ТҮҮХ
ҮЗВЭР НААДАМ
БАЙГАЛЬ ОРЧИН
ХООЛ БА УНДАА
НОГООН ИРЭЭДҮЙ
УРВУУ ИНЖЕНЕРЧЛЭЛ
ШИНЖЛЭХ УХААН
СПОРТ
ТЕХНОЛОГИ
ӨМСДӨГ ХЭРЭГСЭЛ
Эртний
120 загвар боломжтой
Загварууд (120)
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
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
Understanding Oxygen Through Combustion — The Element That Makes Fire Breathe
by Peter
Periodic Table
6
0
0
0
3
0
Generating Hydrogen Gas from Acid and Metal — The Lightest Element in the Universe
by Peter
Ancient
5
0
0
0
3
0
Understanding Carbon Through Charcoal Making — The Element of Life and Fire
by Peter
Periodic Table
6
0
0
0
2
0
Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White
by Peter
Raw Materials
17
0
0
0
2
0
Growing Saltpeter from Niter Beds — The Explosive Element in Every Living Thing
by Peter
Ancient
16
0
0
0
4
0
Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals
by Peter
Ancient
6
0
0
0
5
0
Burning Quicklime from Limestone — The Element That Built Civilization
by Peter
Ancient
5
0
0
0
9
0
Extracting Potash from Wood Ash — The Alkali Element Hidden in Every Fire
by Peter
Periodic Table
8
0
0
0
10
0
Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore
by Peter
Ancient
1
0
0
0
2
0
Understanding Zirconium from Zircon — The Ancient Gemstone That Clocks Earth's Age
by Peter
Chemistry
0
0
0
0
4
0
Hazardous content
Understanding Uranium from Uraninite — The Element That Changed Everything
by Peter
Periodic Table
1
0
0
0
8
0
Hazardous content
Understanding Vanadium from Vanadinite — The Rainbow-Blooded Metal Named for a Goddess
by Peter
Periodic Table
4
0
0
0
0
0
Hazardous content
Understanding Beryllium from Beryl — The Toxic Gem Metal Behind Emeralds
by Peter
Chemistry
1
0
0
0
0
0
Understanding Strontium from Celestine — The Element That Paints Fireworks Red
by Peter
Mining
0
0
0
0
4
0
Understanding Barium from Baryte — The Heavy Earth That Glows in the Dark
by Peter
Mining
0
0
0
0
3
0
Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold
by Peter
Chemistry
3
0
0
0
4
0