SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Ujenzi
Mipango 54 inapatikana
Miradi (54)
Howe Truss
na Woody
Utengenezaji mbao
27
0
0
0
0
0
Caterpillar Traction Engine
na Volt
Mitambo
25
0
0
0
0
0
Drahtseil
na HerrHammer
Ujenzi
23
0
0
0
2
0
Hatari
Dynamite
na Clay
Viwandani
23
0
0
0
0
0
Steam Shovel
na Martin
Ujenzi
34
0
0
0
1
0
Van Kannel Revolving Door
na Woody
UJANJA
22
0
0
0
0
0
Reno Escalator
na Martin
TEKNOLOJIA
20
0
0
0
0
0
Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing
na Emma
Warumi
39
0
0
0
0
0
Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams
na Emma
Warumi
46
0
0
0
1
0
Building a Roman Cofferdam — Pumping Water to Build Below the Waterline
na Emma
Warumi
44
0
0
0
2
0
Building a Roman Concrete Dome — The Unreinforced Vault That Crowned the Pantheon
na Emma
Warumi
53
0
0
0
0
0
Building a Roman Sewer (Cloaca) — Underground Drainage That Made Cities Liveable
na Emma
Warumi
33
0
0
0
0
0
Building a Roman Road (Via Strata) — The Layered Highway That Connected an Empire
na Emma
Ujenzi
49
0
0
0
2
0
Building a Wattle-and-Daub Wall — The Universal Prehistoric Construction Technique
na Woody
Kabla ya historia
63
0
0
0
0
0