SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Viwandani
Mipango 31 inapatikana
Miradi (31)
Paper-Insulated Lead-Covered Cable
na Mary
Nyenzo
31
0
0
0
0
0
Electroless Nickel Plating
na Charlie
Kemia
23
0
0
0
0
0
Bower-Barff Rustless Iron
na Emma
Uchimbaji chuma
27
0
0
0
0
0
Powder Coating
na Karen
Nyenzo
29
0
0
0
0
0
Hatari
Chromium Plating
na Charlie
Kemia
23
0
0
0
0
0
Hatari
Anodising Aluminium
na Mary
Nyenzo
22
0
0
0
0
0
Metal Spraying
na Emma
Uchimbaji chuma
23
0
0
0
0
0
Phosphate Rust-Proofing
na Charlie
Kemia
27
0
0
0
1
0
Sherardizing
na Mary
Nyenzo
26
0
0
0
0
0
Electroplating
na Charlie
Kemia
24
0
0
0
4
0
Sulfite Wood Pulp
na Karen
Utengenezaji wa Karatasi
24
0
0
0
0
0
Hatari
Dynamite
na Clay
Viwandani
23
0
0
0
0
0
Calcium Carbide
na Charlie
Viwandani
34
0
0
0
0
0
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
na Charlie
Metal
72
0
0
0
0
0
Hatari
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
na Peter
Metal
37
0
0
0
0
0
Hatari
Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers
na Charlie
Plastic
35
0
0
0
1
0
Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals
na Charlie
Kemia
35
0
0
0
1
0
Hatari
Making Celluloid — The First Synthetic Plastic That Changed Everything
na Charlie
Plastic
61
0
0
0
3
0
Hatari
Making Nitrocellulose (Guncotton) — The Nitration That Launched Smokeless Powder and Plastics
na Charlie
Plastic
86
0
0
0
2
0
Vulcanizing Rubber with Sulfur — The Accidental Discovery That Put Tyres on the Road
na Charlie
Kemia
67
0
0
0
3
0