All of these abilities are the result of the power of the human mind, a power that many human beings do not take seriously and forget. Believe in your mind to do amazing things. Thanks for this interesting video.Painting up to a light/power switch without leaving a gap will result in the finish tearing when the switch cover is removed. It's better to remove the switch cover and refit when the paint is dry.Filling a crack joint in a sport court is OK, if all the loose material has been blown out first. This is more difficult in roads.