放一个码尺在地板上，用胶带固定码尺在15英寸(38厘米)标志处。

Place a yardstick on the floor. Secure it by placing a piece of tape across the yardstick at the 15-inch (38-centimeter) mark.

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保持室内的暖空气，可以通过在你家壁炉入口处放一块大概2到三英寸的夹板来防止你不用火时风进入烟囱。

Keep the warm air inside your home by placing a piece of approximately 2 foot-by-3 foot plywood over the mouth of your fireplace to prevent drafts going up the chimney when you're not having a fire.

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你可以放小一英寸，就会处处皆合身了。

You can take it in an inch. Then it'll fit like a glove.

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