It uses touch-sensitive bumpers to avoid obstacles, runs quietly on rechargeable batteries and mulches as it works while you watch from a hammock.
它配有控式缓冲器，能够绕开障碍物。它靠充电电池驱动，噪音很小，可以一边剪草一边用护根物覆盖草坪──而你躺在吊床上看看就行了。

Reapply organic mulches each year to keep the depth to 4 inches.
每年重新应用有机覆盖物，保持深入到4英寸。

A landscape fabric may be used under the organic mulches to improve weed control.
阿景观织物可用于有机覆盖物下，以提高控制杂草。

Placing mulches mulch around the plants can protect them from the cold.
在菊花周围放置护盖物能很好保护菊花免于受冻。