佩特拉克朗测试了新技术，它可以每天24小时，一年365天在单独一个点就同时测出数公顷内的排放值。
Petra Kroon tested the new technique, which can measure emission values at a single point for 24 hours a day, 365 days a year and for several hectares at the same time.
佩特拉钻石公司发言人詹姆斯·邓肯31日表示：“这些钻石是在南非开普省一处矿井内发现的，最大的一颗重达136克拉，是洁白的八面体钻，犹如一颗橙子一样大。
These gemstones were found in a mine in Cape Town, South Africa. The largest stone is a 136-carat clean white octahedral one which is as large as an orange.
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