During construction, it should be covered and maintained, and at the same time, be careful not to trample before the final setting. If the film is cured (sacks, mats, etc.). ) Covering has been collected, and people can water the cured film without stepping on it. It's time to start watering for health. If you must fully sprinkle water on the pouring surface, then sprinkle water for health after initial setting and before final setting. Note: When water falls, it cannot directly impact the concrete surface. Maintenance time, as required.