Haeba o sa tsebe hore na o hloka ho sebelisa khase efe bakeng sa tlhahiso, re na le moenjiniere oa setsebi bakeng sa tlhahlobo ea mahala ea 3months inthaneteng.
Haeba o sa tsebe hore na o khetha ho hloeka hofe, re tla u romella lintlha tsohle tsa ho hloeka ha litšila bakeng sa phetisetso ea hau, 'me re etse tlhahiso.
Haeba o hloka sephutheloana se senyenyane, re ka fana ka cylinder e ka tlase ho 10liter; haeba o hloka sephutheloana se seholo, re ka fana ka moropa oa ton kapa tanka ea iso. Tsohle ke khetho ea hau.
Haeba u batla ho reka mefuta e 'maloa ea khase hammoho ka setshelo se le seng. Taba e ntle, mokhoa ona o ka u bolokela litšenyehelo tsa hau tsa ho tsamaisa thepa. Khamphani ea rona e fana ka mefuta e ka bang 99% ea likhase 'marakeng. Haeba u sa fumane lintlha tse hlakileng, ka kopo ikutloe u lokolohile ho re romella potso.
Haeba u qala ho reka khase ho tsoa kantle ho naha, u seke oa tšoenyeha. Re na le sehlopha sa rona sa profeshenale sa thepa bakeng sa thuso.'me re boetse re na le moemeli oa rona oa likepe oa lehae oa mose ho maoatle ho ts'ehetsa ho tsoa ha bareki.
★Haeba u mosebelisi oa khase, romella lipotso ho TYQT
★Haeba u mohoebi ea bohareng, romella lipotso ho TYQT
★Haeba u khamphani ea khase, romella lipotso ho TYQT
★Haeba u morekisi oa Thendara, romella lipotso ho TYQT
| Likhase tsa Mafura | CH4, C2H2, CO, |
| Likhase tsa Welding | Ar-He, Ar-H2, Ar-O2, Ar-CO2, CO2, O2, N2, H2 , Ar-He-CO2, Ar-He-N2, |
| Ligase tsa Mokelikeli | C2H4, SO2, CO2, NO2, N2O, C3F6, H2S, HCl, BCl3, BF3，SF6 |
| Likhase tsa Calibration | CH4-N2, NO-N2, H2S-N2, CO2-N2, SF6-N2, SiH4-He |
| Likhase tsa Doping | AsH3, PH3, GeH4, B2H6, AsCl3, AsF3, H2S, BF3, BCl3, |
| Khōlo ea kristale | SiH4, SiHCl3, SiCl4, B2H6, BCl3, AsH3, PH3, GeH4, Ar, He, H2 |
| Mokhahlelo oa khase | Cl2, HCl, HF, HBr, SF6 |
| Ho ruruha ha plasma | SiF4, CF4, C3F8, CHF3, C2F6, NF3, SF6, BCl3, N2, Ar, He |
| Ion Beam Etching | C3F8, CHF3, CClF3, CF4 |
| Ho kenngoa ha ion | AsF3, PF3, PH3, BF3, BCl3, SiF4, SF6, N2, H2 |
| Likhase tsa CVD | SiH4, SiH2Cl2, SiCl4, NH3, NO, O2 |
| Likhase tse Khanyang | N2, Ar, He, H2, CO2, N2O, O2 |
| Likhase tsa Doping | SiH4, SiCl4, Si2H6, HCl, PH3, AsH3, B2H6, N2, Ar, He, H2 |
