What does the yellow pipe mark mean?

When pipes are marked in yellow, what leads to them?
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1 Answer

Answer :

Gas pipes are marked in yellow :)
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cause of yellow leaves on dutchman pipe that fall off

Description : cause of yellow leaves on dutchman pipe that fall off

Last Answer : Need Answer

Mark correct option a) Pink check slip for ordinary paid and unpaid bundle b) Blue check slip for Airmail c) White check slip for both express & differed bundle d) Marked 2 diagonal line green for local article, yellow for rajdhani & blue for metro bundle e) All the above

Description : Mark correct option a) Pink check slip for ordinary paid and unpaid bundle b) Blue check slip for Airmail c) White check slip for both express & differed bundle d) Marked 2 diagonal line green for local article, yellow for rajdhani & blue for metro bundle e) All the above

Last Answer : e) All the above