Read this excerpt from "street cleaning day. " then circle rolled to the back bumper, and called to line atop triangle – "line, lean down until one of your ends is under the car!" and line leaned down angling one of his ends under the car and the other up toward square. Circle scooted under the back bumper, and called to square. "now when i say go, i want you to jump on line. " what is the visual effect of the excerpt?.