Clean, dry, dust-free bedding should be provided .

要供给清洁干燥无灰尘的垫草。

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The room for storage of rubber products should be cool, dry, dust-free and well ventilated.

存放橡胶制品的室内应保持清凉，干燥，无尘，通风良好。

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A white room is a clean room as well as a temperature-controlled, dust-free room for precision instruments.

白色房间是指一间干净，带温度控制的无尘房间，用于放置精密仪器。

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Of course, many other games like the weird-looking Puppeteer on PSN, the highly-anticipated DUST 514 free-to-play shooter, and Sly Cooper: Thieves in Time help flesh out the many PlayStation exclusives of 2013.

FORBES: 'God Of War: Ascension' Is Just One Of Many Gorgeous Looking PS3 Exclusives In Sony's 2013 Line-Up

In summary, the dust-up is free publicity.

FORBES: Memo to Urban League: Nike Thanks You for Being Outraged by $300-a-Pair Lebron's

For Sony's Hummel, who has seen concession-stand boys handle film prints with buttery fingers as dirt and dust collect on the movie reel, "better" means a picture that is as scratch-free and crisp at the end of a movie's run as it looked on day one.

FORBES: Pixel Perfect