once the brush thickness should not be too thick

once the brush thickness should not be too thick: driveway stone once when the thickness of the brush if too thick, prone to diarrhea flow, wrinkles and other phenomena. So do proper control, multi-layered coating to do construction. angle iron screws, plus Tu link at work should be done: at the angle iron links, welding or screws and other parts, easy to do because they do not complete the construction, plus painted the work should be done to make up for, phosphorescent tape and pay attention to avoid holidays, brushing unequal circumstances occur.