Leave the valve protection cap in place until the cylinder has been secured in place and is ready to be used.

让阀门保护帽一直留在原位，直到钢瓶已经固定好，并准备使用。

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For example, if you have to check your sample lines for leaks, don't do it with the analyzer connected to sample line while the vent protection cap is still installed.

例如，如果你必须检漏(或者检查样品管是否泄漏)，请勿在接口装有保护盖的情况下使用与样品管相连的分析器来检漏。

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The pending cap and trade tax legislation and Environmental Protection Agency global warming regulation threaten to cripple the economy with high cost and unproven energy, the specter of which is also is already killing jobs.

FORBES: Magazine Article

Investors pay for the loss protection and return certainty within this band by foregoing dividends as well as large upside returns above the cap.

FORBES: Rethinking Long-Only Equity