After the lifting devices (such as hooks, slings, rings and segu, etc.) are regularly inspected and passed, it is recommended to paint the current color to distinguish uninspected or expired ones.
color code system
Blue: January, February, March
Yellow: April, May, June
Green: July, August, September
Orange: October, November, December
Red: to be transported away from the site
White: Isolated at the main contractor's central storage yard pending inspection.
