james Lee (TechTraining)
チャンネル登録者数 9070人
2534 回視聴 ・ 19いいね ・ 2015/06/22
TRENCH SAFETY DIG SAFE
This video is part three of a three-part continuing education program provided for the Massachusetts hoisting license holder, and presented by TECHTRAINING llc. This presentation reviews M. G. L. Chapters 76 D and 82; as well as CMR 220 sec. 99 – Dig Safe.
コメント
コントロール
設定
コメントを取得中...