③ 배관설치→ 작업전 주변개구부 확인하여 시설물 설치후작업→ 이

③ 배관설치
→ 작업전 주변개구부 확인하여 시설물 설치후작업
→ 이중안전고리체결
→ 사다리 3인1조 작업
(추락주의)
④ BOX설치
→ 사다리3인1조 작업
→ 이중안전고리체결
(추락주의)

Kết quả (Anh) 1:

③ plumbing installation→ Check the job openings around the former facility post-installation tasks→ Double safety collar fastening→ The ladder 3-in-1 Joe job (Crash)④ BOX installation→ The ladder 3-in-1 Joe job→ Double safety collar fastening (Crash)

Kết quả (Anh) 2:

Plumbing installation ③
→ After the installation facility to check around before opening Tasks
→ signed a double safety ring
→ ladder 3 trillion operations
(note crash)
④ BOX installing
→ ladder 3 trillion operations
→ signed a double safety ring
(Note crashed)

Kết quả (Anh) 3:

③ pipeline installationall the work around the →. check equipment installation, the following worka → dual safety chainthe first group of the three →(the state)④ BOX installationthe first group of the three →a → dual safety chain(the state)