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TEKNOLOJIA
VAZI
Marking Chalk Sawn from Natural Chalk
Natural chalk is a soft, white, nearly pure calcite rock. It marks because it crumbles and leaves loose particles on rough surfaces, which wipe away again. Saw a clean lump into square sticks, round the ends and let them dry.
The picture: a block of chalk from the White Cliffs of Dover.
Mwanzo
An afternoon, then drying
Maagizo
1
1
Pick and square a lump
Pick and square a lump
Choose white chalk without hard nodules or grit, which would scratch. Saw the lump square on a bench hook.
Vifaa kwa hatua hii:
Chaki asilia (mabonge ghafi)1 kgZana zinazohitajika:
Msumeno mdogo wa mkono
Ubao wa kuzuia msumeno
Barakoa ya vumbi2
2
Saw the sticks
Saw the sticks
Saw the block into slabs, then the slabs into sticks about 12 mm square and 80 mm long (our size). Chalk is soft; let the saw do the work.
Zana zinazohitajika:
Msumeno mdogo wa mkonoUbao wa kuzuia msumenoBarakoa ya vumbi3
3
Shape the ends
Shape the ends
Round or point one end of each stick with a rasp or knife, for a fine line.
Zana zinazohitajika:
Tupa ya mbao
Kisu4
4
Dry
Dry
Quarried chalk holds water. Leave the sticks on a rack in a dry, airy place until they no longer feel cool and damp (our check).
Zana zinazohitajika:
Kichanja cha Kukaushia5
5
Sticks from a lump
Sticks from a lump
Inapakia daftari la Jupyter…
Vifaa
1- Kishikilia Nafasi
Zana Zinazohitajika
6- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
Mchoro huu unatengeneza
Blueprint zinazohusiana
Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni
CC0 Umma Wote
Mchoro huu umetolewa chini ya CC0. Uko huru kunakili, kubadilisha, kusambaza, na kutumia kazi hii kwa madhumuni yoyote, bila kuomba ruhusa.
Saidia Mtengenezaji kwa kununua bidhaa kupitia Mchoro wao ambapo wanapata Kamisheni ya Mtengenezaji iliyowekwa na Wachuuzi, au unda marudio mapya ya Mchoro huu na uiunganishe kama kiungo katika Mchoro wako kuchangia mapato.