Interior and Exterior Washing for Up to 15 or 25 Windows from A&A Window Cleaning (Up to 61% Off)

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Choose Between Two Options

  • $59 for interior and exterior washing of up to 15 windows on a one story building ($150 value)
  • $99 for interior and exterior washing of up to 25 windows on a two story building ($250 value)

The Composition of Dust: Of Mites and Mars

When the cleaners are finished, you’ll be able to breathe easier. Increase your satisfaction with a look at one thing they’ve banished: dust.

Whether you're resting in a mountain cabin, traveling through a city, or being vented out an airlock into outer space, dust is all around you. Microscopic particles—usually a combination of soil, pollen, skin cells, and minerals—can pile up quickly indoors. The problem is exacerbated by tiny creatures called dust mites, which gather in groups of up to 500 per gram of dust to devour flakes of human skin while multiplying in number, excreting waste, and probably chittering away. No matter where you are on Earth, a mote of dust is presently traveling straight toward your eye, thanks to the persistent creation of dust in almost any climate humans inhabit.

Even beyond our planet, dust is ubiquitous: astronomers face the universe's untidiness every time they peer through a telescope and find formations of cosmic dust, which absorb the visible light around them. Although it comes from exploding stars rather than flaky humans, space dust isn't so different from the domestic variety: a 2007 paper published in IEEE Transactions on Plasma Science explored the similarities between the formation of dust bunnies under beds and the coagulation of space dust into planets.

In a Nutshell

Licensed techs restore windows of one or two story home to eerie transparency with company supplies

The Fine Print

Expires 120 days after purchase. Limit 1 per person, may buy 1 additional as gift. Limit 1 per household. Valid only for option purchased. Appointment required. 1 window is equivalent to 1 any size window pane. Only valid within 40 miles of 94521. Extra fee outside 40 miles. Valid for interior and exterior windows, jams, and tracks. Not valid for storm windows; additional fee applies. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

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