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Dontho la Chiyembekezo - Sefani Mchenga ndi Mwala

Sefani Mchenga ndi Mwala

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Gawo C: Sefani Mchenga ndi Mwala

Mchenga wa konkire ndi miyala (popanga chidebe)

Zida ndi Zida Fosholo Mapepala kapena mapepala apulasitiki Magolovesi Fumbi mask kapena mpango

Sefani (3 sizes):

• 12 mm (1/2")
• 6 mm (1/4")
• 1 mm (0.04")

Mchenga ndi miyala

1. Ikani mchenga ndi miyala mu sieve ya 12 mm (1/2”). Tayani miyala iliyonse yomwe imakhala pamwamba pa sieve ya 12 mm—ndi yaikulu kwambiri kuti isagwiritsidwe ntchito mu Sefa ya Zosefera Mchenga Zachilengedwe (ZMZ) .

Ikhoza kukhala fumbi kwambiri. Valani chigoba cha fumbi kapena mpango.

2. Tengani zinthu zonse zomwe zidadutsa musefa wa 12 mm. Ikani mu sieve ya 6 mm (1/4"). Sungani miyala yonse yomwe imakhala pamwamba pa sieve ya 6 mm mu mulu wosungiramo miyala ya 6- 12 mm. Muluwu umagwiritsidwa ntchito pazinthu ziwiri: miyala yayikulu mukapanga konkire, ndi miyala ya ngalande yomwe imalowa mkati mwa fyuluta.

3. Tengani zinthu zonse zomwe zidadutsa mu sieve ya 6 mm. Ikani mu sieve ya 1 mm (0.04 "). Sungani miyala yonse yomwe imakhala pamwamba pa sieve ya 1 mm mu mulu wosungiramo miyala ya 1- 6 mm. Gwiritsani ntchito miyala yaying'onoyi popanga konkire.

4. Sungani mchenga wonse womwe unagwera mu sieve ya 1 mm mu mulu wosungira mchenga. Gwilitsani ntchito mchengawo popanga konkire

Mchenga wa konkire ndi miyala (zamkati mwa fyuluta)

1. Ikani mchenga ndi miyala mu sieve ya 12 mm (1/2”). Tayani miyala iliyonse yomwe imakhala pamwamba pa sieve ya 12 mm—ndi yaikulu kwambiri kuti isagwiritsidwe ntchito mu Sefa ya BioSand. Ikhoza kukhala fumbi kwambiri. Valani chigoba cha fumbi kapena mpango.

2. Tengani zinthu zonse zomwe zidadutsa musefa wa 12 mm. Ikani mu sieve ya 6 mm (1/4”). Sungani miyala yonse yomwe imakhala pamwamba pa sieve ya 6 mm mu mulu wosungiramo miyala ya 6- 12mm. Muluwu umagwiritsidwa ntchito pazinthu ziwiri: miyala yayikulu mukapanga konkriti ndi miyala yamadzi yomwe imalowa mkati mwa fyuluta.

3. Tengani zinthu zonse zomwe zidadutsa mu sieve ya 6 mm. Ikani mu sieve ya 0.7 mm (0.03 ”). Sungani miyala yonse yomwe imakhala pamwamba pa sieve ya 0.7 mm mu mulu wosungiramo miyala ya 0.7-6mm. Awa ndi miyala yolekanitsa mkati mwa fyuluta.

4. Sungani mchenga wonse womwe unagwera mu sieve ya 0.7 mm mu mulu wosungira mchenga wa mulu. Uwu ndiye mchenga wosefera mkati mwa fyuluta.

Malangizo wosefera mchenga ndi miyala

• Wumikani mchenga wonse musanasefe. Mchenga wonyowa sudzadutsa musefa.
• Mchenga ukhale woyera. Gwiritsani ntchito mchenga wopanda zidutswa za udzu, masamba, timitengo kapena zinthu zina.
• Osaunjikira mchenga wambiri mu sefa. Idzathyola sefa.
• Pitirizani kusefa mpaka mchenga wochepa kwambiri kapena usagwere mu sefa. Ngati mchenga udakali wochuluka, pitirizani kusefa.
• Konzani sefa zikathyoka. Mawaya a mu mauna akhale otalikirana ndipo mabowowo akhale ofanana kukula kwake. Osagwiritsa ntchito sefa yowonongeka.

Sungani mchenga wosefa ndi miyala

. Sungani milu ya mchenga wosefa ndi miyala momwe idzakhala yaukhondo ndi youma.
. Onetsetsani kuti milu yanu imasungidwa bwino komanso yosiyana kuti isasakanizike kapena mchenga wosasefa.

Malo osavuta osungira: Milu ya mchenga ndi miyala imasiyanitsidwa ndi zidutswa zamatabwa. Pansi pake amakutidwa ndi phula kapena pepala la pulasitiki. Ndikosavuta kuti mchenga ndi miyala zisakanizike, choncho samalani kwambiri.

Malo osungiramo bwino: Milu ya mchenga ndi miyala imasiyanitsidwa ndi makoma aatali a konkire. Pansi ndi konkriti. Malo osungirawa amathandiza kuti milu ikhale yosiyana.

Simukuyenera kusunga milu ya mchenga ndi miyala pamalo amodzi. Mukhoza kusunga mchenga wa konkire ndi miyala pafupi ndi fyuluta kuthira malo, ndi mchenga wosefera ndi miyala pafupi ndi malo otsuka mchenga ndi miyala.

Kabuku:

DAWUNILODI Chikalata Chamaphunziro #7 ' Sefani Mchenga ndi Mwala'

Optional: Download English Handbook #7 ' Sieve the Sand and Gravel'

Phunzirani momwe mungachitire Tsukani Mchenga Wosefera ndi Mwala

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