APKPure で安全で高速な APK のダウンロード
APKPure は署名検証を使用して、ウイルスフリーの IWCF_Preparation APK ダウンロードを保証します。
石油技術者のための国際まあ制御式
Oil well control is the management of the dangerous effects caused by the unexpected release of formation fluid, such as natural gas and/or crude oil, upon surface equipment of oil or gas drilling rigs and escaping into the atmosphere.
IWCF is a certificate of passing Oil well control quiz.