Ukusebenzisana
UBUCIKO
UBUHLE NEMPILO
UBUCIKO BEZANDLA
AMASIKO NOMLANDO
EZOKUZIJABULISA
IMVELO
UKUDLA NEZIPHUZO
REVERSE ENGINEERING
IZAYENSI
EZEMIDLALO
UBUCHWEPHESHE
IZINTO EZIGQOKWAYO
I-Geology
Ama-Blueprint angu-31 ayatholakala • Izigatshana ezingu-9
Yeqashela Izigatshana
Ama-Blueprint (31)
Yingozi
Asbestos Fibre: Crude Chrysotile Hand-Cobbed into No. I and No. II (Cirkel, 1910)
ngu-Forge
Amaminerali
5
0
0
0
0
0
Crude Oil from a Drilled Well: the American Cable-Tool Method (Crew 1887)
ngu-Peter
Ukumbiwa
13
0
0
0
0
0
Expanded Perlite: Volcanic Glass Puffed in a Minute of Fierce Heat
ngu-Mary
I-Petrology
9
0
0
0
0
0
Balls or Rods: The Media Decide the Product, Not Just the Fineness
ngu-Emma
Ubunjiniyela
45
0
0
0
0
0
The Cone Crusher: A Parallel Zone Nothing Gets Past
ngu-Martin
Ezomshini
44
0
0
0
0
0
Sorting by Size: Why a Screen Never Makes a Clean Cut
ngu-Emma
Ubunjiniyela
43
0
0
0
0
0
Grinding in a Tumbling Mill: Critical Speed, and Why the Media Are Graded
ngu-Emma
Ezomshini
40
0
0
0
0
0
The Gyratory Crusher: A Machine With No Idle Half-Stroke
ngu-Martin
Ezomshini
29
0
0
0
0
0
Breaking Stone by Compression: The Nip Angle Decides Everything
ngu-Martin
Ezomshini
46
0
0
0
0
0
Ore Dressing
ngu-Mary
IMVELO
50
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
ngu-Astro
AmaViking
70
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
ngu-Astro
AmaViking
72
0
0
0
1
0
Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone
ngu-Peter
Ukumbiwa
56
0
0
0
2
0
Yingozi
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
ngu-Peter
Ukumbiwa
45
0
0
0
11
0
Gold Panning
ngu-Peter
IMVELO
35
0
0
0
1
0
Umlilo womhlaba — ukuqoqa i-ore yomhlaba evela emidangeni nemhlathini
ngu-PaniRoza
Ukumbiwa
82
0
0
0
0
0
Celadon Clay Collection — Gangjin Iron-Rich Clay Harvesting and Aging
ngu-NariYa
I-Geology
58
0
0
0
0
0
Estrazione del Marmo di Carrara — Dalla Cava al Blocco Squadrato
ngu-SignoraRosa
Ukumbiwa
44
0
0
0
0
0
अभ्रक संग्रहण झारखंड — खदान से मस्कोवाइट अभ्रक पत्तियाँ निकालना
ngu-DidiiKamal
Ukumbiwa
40
0
0
0
1
0
Recolección de Obsidiana — Identificación y Extracción de Vidrio Volcánico en México
ngu-SeñorMartillo
I-Geology
56
0
0
0
0
0
کھیوڑا نمک کان سے گلابی نمک نکالنا — پاکستان کا قدرتی پہاڑی نمک
ngu-AmmiPeach
Ukumbiwa
57
0
0
0
0
0
Kukusanya Udongo wa Mchwa — Nyenzo ya Ujenzi wa Jadi ya Afrika Mashariki
ngu-MzeeJengo
Ubumba Nodaka
52
0
0
0
0
0
Collecting Native Sulfur from Volcanic Deposits
ngu-Peter
I-Geology
101
0
0
0
6
0
Ukuthola Nokwenza Ubumba Lwasemfuleni — Isiko LaseZulu Lokwenza Izitsha
ngu-MamaNomvula
Ubumba Nodaka
52
0
0
0
0
0
Kukhonjiswa 24 kwangu-31