Richard Steffensen | iOS Apper
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- KICKDRILL
- iOS Apper: Læring Av: Richard Steffensen
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- Poeng: 2 + 1 (5.0) Versjon: 1.12.4 All leading personnel in the oil and gas industry working in drilling operations are generally required to hold a valid WELL CONTROL certificate. This certificate is valid for 2 years ... ⥯
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Richard Steffensen | Utvikler
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