སྒྱུ་རྩལ
མཛེས་སྡུག་དང་བདེ་ཐང
བཟོ་རིག
རིག་གནས་དང་ལོ་རྒྱུས
དགའ་སྟོན
ཁོར་ཡུག
ཟས་དང་བཏུང་རྫས
ཕྱིར་འཕྲུལ་རིག
ཚན་རིག
རྩེད་འགྲན
རིག་རྩལ
གྱོན་རུང

བཟོ་སྐྲུན

བིལུ་པིརིན་ཊི ༧༢ ཡོད

བིལུ་པིརིན་ཊི (༧༢)

Carpet Sweeper

Carpet Sweeper

Emma གྱིསSE

འཕྲུལ་རིག

༤༦
༠
༠
༠
༠
༠
Rolling Lift Bridge

Rolling Lift Bridge

Penny གྱིསDK

བཟོ་སྐྲུན

༦༣
༠
༠
༠
༠
༠
Geodesic Dome

Geodesic Dome

Pixel གྱིསFI

བཟོ་སྐྲུན

༦༡
༠
༠
༠
༠
༠
Prestressed Concrete

Prestressed Concrete

Mary གྱིསFI

རྫས

༤༤
༠
༠
༠
༠
༠
I-Beam

I-Beam

Martin གྱིསNO

ལྕགས་བཟོ

༤༣
༠
༠
༠
༠
༠
Concrete Block

Concrete Block

Paulice གྱིསUS

རྡོ་བཟོ

༤༤
༠
༠
༠
༠
༠
Plasterboard (Drywall)

Plasterboard (Drywall)

Clay གྱིསDK

རྫས

༤༦
༠
༠
༠
༠
༠
Bóveda Tabicada

Bóveda Tabicada

SeñorMartillo གྱིསMX

རྡོ་བཟོ

༤༣
༠
༠
༠
༠
༠
Reinforced Concrete (Twisted Rebar)

Reinforced Concrete (Twisted Rebar)

Emma གྱིསSE

རྫས

༣༧
༠
༠
༠
༠
༠
Whipple Bowstring Truss

Whipple Bowstring Truss

Forge གྱིསNO

ལྕགས་བཟོ

༣༨
༠
༠
༠
༡
༠
Howe Truss

Howe Truss

Woody གྱིསNO

ཤིང་བཟོ

༤༠
༠
༠
༠
༠
༠
Caterpillar Traction Engine

Caterpillar Traction Engine

Volt གྱིསSE

འཕྲུལ་རིག

༤༧
༠
༠
༠
༠
༠
Drahtseil

Drahtseil

HerrHammer གྱིསDE

བཟོ་སྐྲུན

༤༠
༠
༠
༠
༢
༠
Dynamite
ཉེན་ཁ་ཅན།

Dynamite

Clay གྱིསDK

བཟོ་གྲྭ

༣༣
༠
༠
༠
༠
༠
Steam Shovel

Steam Shovel

Martin གྱིསNO

བཟོ་སྐྲུན

༤༨
༠
༠
༠
༡
༠
Van Kannel Revolving Door

Van Kannel Revolving Door

Woody གྱིསNO

བཟོ་རིག

༣༤
༠
༠
༠
༠
༠
Reno Escalator

Reno Escalator

Martin གྱིསNO

རིག་རྩལ

༢༩
༠
༠
༠
༠
༠
Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing

Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing

Emma གྱིསSE

རོ་མ

༥༢
༠
༠
༠
༠
༠
Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams

Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams

Emma གྱིསSE

རོ་མ

༦༦
༠
༠
༠
༡
༠
Building a Roman Cofferdam — Pumping Water to Build Below the Waterline

Building a Roman Cofferdam — Pumping Water to Build Below the Waterline

Emma གྱིསSE

རོ་མ

༦༦
༠
༠
༠
༢
༠
Building a Roman Concrete Dome — The Unreinforced Vault That Crowned the Pantheon

Building a Roman Concrete Dome — The Unreinforced Vault That Crowned the Pantheon

Emma གྱིསSE

རོ་མ

༧༥
༠
༠
༠
༠
༠
Building a Roman Sewer (Cloaca) — Underground Drainage That Made Cities Liveable

Building a Roman Sewer (Cloaca) — Underground Drainage That Made Cities Liveable

Emma གྱིསSE

རོ་མ

༤༥
༠
༠
༠
༠
༠
Building a Roman Road (Via Strata) — The Layered Highway That Connected an Empire

Building a Roman Road (Via Strata) — The Layered Highway That Connected an Empire

Emma གྱིསSE

བཟོ་སྐྲུན

༦༧
༠
༠
༠
༢
༠
Building a Wattle-and-Daub Wall — The Universal Prehistoric Construction Technique

Building a Wattle-and-Daub Wall — The Universal Prehistoric Construction Technique

Woody གྱིསNO

སྔོན་ལོ

༨༦
༠
༠
༠
༠
༠
72 ནང་ལས་ 24 སྟོན་དོ།