UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Polimeri
Ibishushanyo 7 birahari
Ibishushanyo (7)
The Plastic Blood Bag
na Mary
Polimeri
34
0
0
0
0
0
The Surgical Rubber Glove
na Mary
Polimeri
25
0
0
0
0
0
The Submarine Telegraph Cable
na Mary
Ibikoresho
24
0
0
0
1
0
Photographic Film
na Mary
Polimeri
32
0
0
0
2
0
Akaga
Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers
na Charlie
Plastic
36
0
0
0
1
0
Akaga
Making Celluloid — The First Synthetic Plastic That Changed Everything
na Charlie
Plastic
63
0
0
0
3
0
Vulcanizing Rubber with Sulfur — The Accidental Discovery That Put Tyres on the Road
na Charlie
Ubutabire
69
0
0
0
3
0