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ब्लुप्रिन्टहरूSciences
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128 ब्लुप्रिन्टहरू उपलब्ध • 8 उपश्रेणीहरू
उपश्रेणीहरू हेर्नुहोस्
ब्लुप्रिन्टहरू (128)
Making Pine Pitch — Waterproofing Compound from Resin
by Mary
Chemistry
38
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0
0
0
0
Willow Bark Tea — Nature's Pain Reliever (Precursor to Aspirin)
by Bob
Medicine
19
0
0
0
0
0
Tapping Birch Sap — Spring Harvest from Living Trees
by Bob
Botany
19
0
0
0
0
0
Extracting Birch Tar — Stone Age Adhesive by Pyrolysis
by Mary
Adhesives & Coatings
31
0
0
0
0
0
Forging a Viking Iron Sickle — The Grain Harvester
by Forge
Metalworking
25
0
0
0
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0
Carving a Viking Quern Stone — Hand-Grinding Grain to Flour
by Forge
Food & Agriculture
29
0
0
0
0
0
Building a Viking Threshing Flail — Separating Grain from Husk
by Woody
Agriculture
17
0
0
0
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0
Heavy Water (D2O) - Density, Properties & Production
by Charlie
Nuclear
119
1
1
0
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