But knowing what percentage this is of the total amount leaking from the well will not be possible until a tight seal is on the well.

VOA: standard.2010.06.14

and Pembroke area there's a place, "the steps", that if you step on the seal,

在彭布鲁克区，有个地方叫“台阶”，如果你踏在了印记上，

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