SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Uashi
Mipango 20 inapatikana
Miradi (20)
Concrete Block
na Paulice
Uashi
24
0
0
0
0
0
Bóveda Tabicada
na SeñorMartillo
Uashi
26
0
0
0
0
0
Burning Limestone to Make Quicklime and Lime Plaster — The First Synthetic Building Material
na Clay
Kale
34
0
0
0
0
0
Firing Clay Bricks in a Clamp Kiln — The Building Block of Civilization
na Clay
Kale
80
0
0
0
2
0
Casting a Concrete Planter in a Mold — Portland Cement Casting
na Emma
Uashi
65
0
0
0
0
0
Applying Wattle-and-Daub to a Wall Panel — Medieval Wall Construction
na Emma
Zama za Kati
97
0
0
0
0
0
Slaking and Mixing Lime Mortar — Medieval Building Cement
na Charlie
Zama za Kati
83
0
0
0
1
0
Constructing a Pointed Gothic Arch — Medieval Masonry
na Emma
Zama za Kati
93
0
0
0
1
0
Waterproofing Cisterns with Opus Signinum — Roman Hydraulic Cement
na Charlie
Warumi
93
0
0
0
0
0
Painting a Buon Fresco on Wet Lime Plaster — Roman Wall Painting
na Charlie
Warumi
70
0
0
0
1
0
Lining an Aqueduct Channel with Opus Signinum — Roman Waterproofing
na Emma
Warumi
106
0
0
0
0
0
Constructing a Roman Semicircular Arch with Voussoirs — Stone Arch Engineering
na Emma
Warumi
81
0
0
0
5
0
Mixing Roman Concrete (Opus Caementicium) — Volcanic Ash Hydraulic Cement
na Emma
Warumi
96
0
0
0
5
0
Building a Hypocaust Underfloor Heating System — Roman Central Heating
na Emma
Warumi
98
0
0
0
1
0
Greek Marble Column — Fluting a Marble Column Drum
na Mary
Ugiriki wa kizamani
63
0
0
0
0
0
Greek Mosaic Floor — Laying a Pebble Mosaic Floor
na Clay
Ugiriki wa kizamani
84
0
0
0
0
0
Egyptian Grain Silo — Constructing a Beehive-Shaped Grain Silo
na Emma
Wamisri
75
0
0
0
0
0
Egyptian Mud Brick — Molding Nile Mud Bricks with Straw Binder
na Emma
Wamisri
73
0
0
0
2
0
Burning Limestone for Lime Plaster — Calcination and Slaking
na Charlie
Kale
96
0
0
0
3
0
Making Sun-Dried Mud Bricks — Adobe Construction Material
na Emma
Kale
82
0
0
0
1
0