The brush should not be dipped deeply into the paint, as this will overload the bristles and fill the brush heel with paint which is difficult to be removed, a brush that has a heel filled with dry paint loses its bristle flexibility and shape.

• 首先，刷子不应浸入涂料过深，否则容易使刷毛负载的涂料过多而移动困难；刷子如附有干燥的油漆会影响刷毛的正常形态和柔韧性。