1. Ukusebenza kahle kuphakeme kunemodeli ejwayelekile emakethe.
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I-3. I-othomathikhi yengcindezi yokutholwa kwengcindezi. Umfutho womoya ubalulekile ekwenzeni umkhiqizo we-prefect.
I-4. Inzwa yemisebenzi esebenzayo, ayikho i-alamu ye-coffee, akukho ukupakisha i-alamu yezinto ezibonakalayo, uphawu lweso langaphakathi.
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I-6. Imisebenzi emi-3 igwema i-coffee powder ebambelele: ukudlidliza, ukushukumisa okuvusa mpo kanye sensor ezibonakalayo.
7. Idivayisi yokuvikela ukuphepha.