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2. Lapho ulayisha i-bitumen okokuqala, sicela uvule i-valve eqeda amandla ukuze uvumele ithambo ukuthi lingenele i-heater kahle. hengtlq.sh26.host.35.com

3. Ngaphambi kokulahla, sicela ugcwalise ithangi lamanzi ngamanzi, vula i-valve ukuze ufinyelele ezingeni lamanzi ku-generator ye-steam, bese uvala i-valve.
4. Ngesikhathi sokusebenza, sicela unake izinga lamanzi bese ulungisa i-valve ukuze ugcine izinga lamanzi lisesimweni esifanele isikhathi eside.
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6 Uma izinga lokushisa liphezulu kakhulu futhi alidingi ukuboniswa, sicela uqale ukupholisa kwangaphakathi kwangaphakathi ngokushesha.
7. Lapho izinga le-bitumn ethangini liphansi kunesikhundla se-thermometer, sicela uvale ama-valves okumunca ngaphambi kokumisa imishini yokugcotshwa e-emulsified ukuvimba imvunulo ebiyele emuva.
8. Ukugcina ukusebenza kwamafutha kanye nokusebenza kwemishini, sicela ungeze amalahle aphansi, engeza amalahle njalo, bese ulahla umlotha ngesikhathi.