Double Wall Steel Tanks are manufactured in accordance with UnderwritersLaboratories Standard UL142, Aboveground Tanks for Storage of Flammable and Combustible Liquids.
双壁钢罐根据美国保险商实验室标准UL 142制造，是用于储存易燃及可燃液体的地上罐。
2
All Bradford White commercial electric water heaters are listed by UnderwritersLaboratories and bear the UL label.
所有美国百来福商用电热水器均通过美国UL安全认证，具有美国UL认证标志。
3
Any information and documentation involving UL Mark services are provided on behalf of UnderwritersLaboratories Inc.