SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Kemia
Mipango 314 inapatikana • Vijamii 22
Vinjari Vijamii
Miradi (314)
Hatari
Understanding Germanium from Zinc Ore Processing — The Semiconductor That Started the Electronics Age
na Peter
Kemia
25
0
0
0
2
0
Understanding Chlorine from Salt Electrolysis — The Element That Purifies Water
na Peter
Kemia
34
0
0
0
3
0
Uchimbaji wa Rangi Asilia kutoka kwa Mmea — Rangi kutoka Bustani
na Bob
Biolojia
41
0
0
0
0
0
Burning Lime from Limestone — The Oldest Chemical Industry on Earth
na Mary
Kemia
103
0
0
0
4
0
Gold Panning
na Peter
Nyenzo
3
0
0
0
1
0
Gül Yağı (Rose Otto) Damıtma — Isparta'da Rosa damascena
na HanimGul
Kilimo
41
0
0
0
0
0
వేప విత్తనాల నూనె తీయడం — ఆంధ్రప్రదేశ్ సంప్రదాయ చల్లని ఒత్తిడి పద్ధతి
na AnnaGaru
Kilimo
48
0
0
0
0
0
Seringueira e Borracha Natural — Extração Tradicional de Látex na Amazônia
na MestreParafuso
Malighafi
43
0
0
0
0
0
Kutengeneza Batiki Nta Java — Mchanganyiko wa Nta ya Klowong na Tembokan wa Jadi
na MbakMelati
Malighafi
60
0
0
0
0
0
청자 도토 채집 — 강진 철분 점토 수확과 숙성
na NariYa
Malighafi
32
0
0
0
0
0
Gusarura Indabo za Pyrethrum — Isarura ry'Indabo z'Umuti w'Udukoko mu Rwanda
na MamaAmahoro
Kilimo
39
0
0
0
0
0
漆掻き採集 — ウルシノキから天然漆を採る伝統技法
na HanaChan
Malighafi
46
0
0
0
0
0
Recolección de Obsidiana — Identificación y Extracción de Vidrio Volcánico en México
na SeñorMartillo
Malighafi
39
0
0
0
0
0
Hatari
Tapping Pine Trees for Resin — Collecting Naval Stores from Longleaf Pine
na MrYankee
Malighafi
62
0
0
0
0
0
กรีดยางพารา — การเก็บน้ำยางธรรมชาติจากต้นยางพารา
na SomchaiSang
Malighafi
25
0
0
0
0
0
گلابگیری — تقطیر گل محمدی برای گلاب خالص
na UstadPich
Kilimo
46
0
0
0
0
0
Menoreh Getah Asli — Dari Pokok Getah ke Kepingan Getah Asap
na KakBunga
Kilimo
45
0
0
0
0
0
Hatari
Kutoa Risasi kutoka Galena — Chuma Kilichokamatizwa Zaidi na Wanadamu
na Peter
Kemia
47
0
0
0
12
0
Producing Salt by Solar Evaporation of Seawater — Humanity's Oldest Chemical Process
na Peter
Sola
50
0
0
0
1
0
Collecting Native Sulfur from Volcanic Deposits
na Peter
Jiolojia
60
0
0
0
5
0