Question If a package contains liquid containers, the box must display: Answers Arrows pointing in the correct upright direction. A return address. The number of containers inside the box. Explanation Packages that contain liquid containers must have orientation markers. Arrows displayed on the box should be pointing in the correct upright direction. Take a FREE Practice Test Now This questions appears in the following tests: Alaska HazMat , Arizona HazMat , California HazMat , Kentucky HazMat , Michigan HazMat , Nebraska HazMat , Oregon HazMat , South Dakota HazMat , Hawaii Tank , Rhode Island Tank ,