Has whitewashed the old wall surface spreads again when please use the high-pressured water gun flushing or eliminates the pine with the shovel eradication to float the varnish film which the material and loosens.

• 粉刷过的旧墙面重涂时请用高压水枪冲洗或用铲刀铲除以清除松浮物质和松脱的漆膜。