The power button is located on the handle on a power brush.For even more added convenience, an optional automatic dustpan can also be installed into a home with a central vacuuming system.

• 比如能源部和佛罗里达州合作设的“零能耗住宅”、 “太阳能住宅”等，通过利用佛罗里达地区充足的太阳能和采取建筑节能措施，让住宅不再需要使用外来能源。