⑤ TR 상부 배관→ 사다리 작업시 2인1조 작업    → 상부

⑤ TR 상부 배관
→ 사다리 작업시 2인1조 작업    
→ 상부작업시 이중고리 체결
⑥ TR 하부 배관
→ 숙련공 작업 , 안전모 착용

Kết quả (Anh) 1:

⑤ TR top piping→ The ladder when working with 2-in-1 Joe job When working with the upper part of the double ring signed →⑥ TR bottom piping→ Artisan work, safety caps

Kết quả (Anh) 2:

⑤ TR upper pipe
→ ladder 2 trillion operations when working    
→ double fastening ring upon the top job
⑥ TR bottom piping
→ artisan work, wearing safety helmets

Kết quả (Anh) 3:

the pipe ⑤ trthe work of two → are a group of small business        the above operations are → double ring signthe lower part of the pipe ⑥ tr→ craftsmen work, wearing a safety helmet