UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Grog from Fired Clay
Grog is clay that has already been fired and then crushed. Mixed into raw clay it opens the body, cuts shrinkage and cracking, and lets steam out as the piece dries and fires, which is why crucibles, kiln bricks and big pots are full of it. It is made by firing lumps of the same refractory clay, or by crushing broken unglazed pots.
Utangiye
A day, plus a kiln firing
Amabwiriza
1
1
Make lumps
Make lumps
Wedge refractory clay into fist-sized lumps and let them dry completely.
Ibikoresho by'iyi ntambwe:
Ibumba ryihanganira umuriro10 kg
Amazi1 litiroIbikoresho bikenewe:
Umuyoboro wo kuvanga2
2
Fire them
Fire them
Fire the dry lumps in the kiln, raising the heat slowly at first so they do not burst.
Ibikoresho bikenewe:
Itanura
Pirometero
Ibikoresho byo mu ifuru y'ubumba3
3
Crush
Crush
Put the cold lumps in a sack and break them with the sledgehammer; finish small pieces in the mortar. Wear a dust mask and glasses.
Ibikoresho bikenewe:
Umufuka wo kubikamo wa burlap
Inyundo nini
Isekuru n'Umuhini
Agapfukamunwa k'Umukungugu
Amadarubindi y'umutekano4
4
Sieve into sizes
Sieve into sizes
Sieve through the graded sieves and keep each size apart: coarse grog for bricks, fine grog for crucibles and thin pots. Re-crush what is too big.
Ibikoresho bikenewe:
Agatsiko k'utuyungurizo (imyobo itandukanye)Agapfukamunwa k'Umukungugu5
5
Store dry
Store dry
Store each size in its own lidded bucket, labelled with the clay and firing it came from.
Ibikoresho bikenewe:
Indobo y'icyuma ifite umufunikoIbikoresho bikenewe
11- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
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