A method for spraying an oil, such as an MSDS exempt vegetable oil, onto a material handling surface to impede material from adhering to the surface. The method includes spraying the oil from an elevated position. The elevated position can be a platform comprising an elevated section configured to support a human operator, and spray equipment can be used to spray the oil, the spray equipment including a container for containing the oil, a hydraulic pump fluidly coupled to the container, and a spray wand and hose fluidly coupled to the pump. The spray equipment can be mounted on the platform and configured to enable an operator to operate the spray wand from the elevated section of the platform.