UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Fine Clay Mixed with Sand: Worked Loam for Casting Moulds
Clay mixed with sand is loam, the stuff of bricks and of the clay mould packed round a wax model for casting. Soak the clay, work in fine sand, pick out every stone, and keep working it: the more it is worked, the denser and more uniform it gets.
The picture: our diagram, clay and sand worked together and the stones picked out.
Utangiye
2 hours plus a night's soak
Amabwiriza
1
1
Soak the clay
Soak the clay
Break the clay into lumps, put it in the trough, cover with water and leave it overnight to soften.
Ibikoresho by'iyi ntambwe:
Ibumba1 kgIbikoresho bikenewe:
Ipiki
Umuyoboro wo kuvanga
Indobo
Amazi2
2
Work in the sand
Work in the sand
Pour off spare water. Add fine sand, about one part to two of clay, and knead or tread it in until no streaks show.
Ibikoresho by'iyi ntambwe:
Umusenyi Muto0.5 kgIbikoresho bikenewe:
Umuyoboro wo kuvangaIpiki3
3
Pick out the stones
Pick out the stones
Cut the mass in slices and pick out every stone, root and hard lump. Knead again; the more it is worked, the denser and more uniform it becomes.
Ibikoresho bikenewe:
Umuyoboro wo kuvanga4
4
Keep it damp
Keep it damp
Wrap the loam under a tarp to keep it workable until you build the mould.
Ibikoresho bikenewe:
Bashi5
5
Your mix
Your mix
Gupakira ikaye ya Jupyter…
Iki gishushanyo gikora
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