Nofoaga na Afua mai ai: SainaIgoa igoa: JCDRILLNumera Fa'ata'ita'i: ATWU BTWU NTWUItuaiga: Va'aiga Autu i lalo o le eleeleMea: UameaFa'aoga: Eli i lalo ole eleeleUmi: 1.5mIgoa: Core Drilling Wireline Core Barrel Head Assembly Overshot