We had 33:1 in the upper grades and 28:1 in the lower grades, a part-time librarian, a part-time P.
In Pakistan, schools are not segregated by law, and boys and girls study together in the lower grades, but they tend to be separated at the start of secondary school.
For Newmont, the lower ore grades have been a cause of concern as the company faced production losses at the Boddington mine last year.
"We did not find strong evidence that the effect of work stress on heart disease is worse for those in lower grades - the effect of stress was pretty much the same across different grades, " said Dr Chandola.
The company attributed the lower production to lower grades of copper and lower recovery rates, which Yamana said they expected.
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And in practice, the insertion of a new grade will mean that it will devalue grades lower down the scale.
The drop in first-quarter production was due to major scheduled plant maintenance during the first quarter, lower copper grades and lower recovery.
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This is taking into account lower mine grades across the board.
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The numbers getting AAB grades or equivalent were lower than expected he said - 80, 000 rather than 85, 000.
Heads have said it was "outrageous" to blame teachers for the fiasco which saw thousands of pupils get lower grades than predicted.
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Firstly, of course, it may be that your preferred university or college will accept you with the grades you have, although marginally lower than predicted.
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Although no American firm could currently deliver such a contract, Ispat soon might: it already produces, sources and sells lower grades of steel all over the world, and it is expanding into the high-quality steel that car makers demand.
In those lower grades, their projects were aimed at understanding the world around them, much like the motivations of true scientists.
In the coming years, Ntaiya plans to expand her school to include lower grades.
Newmont said lower grades due to mine sequencing at Gold Quarry and lower grades at Exodus in Nevada could result in output for the year being near the bottom of the range.
At the moment, universities can recruit an unlimited number of students who have achieved A-level grades equivalent to ABB or higher, but the number of lower achieving students they can take is capped to limit the cost to the state in the form of student loans.
Revenue hit a record high even though gold-mining output was down from the year-ago quarter due to factors such as mine sequencing and lower ore grades in certain mines.
In addition, a new lower priced entry-level LEAF S grade joins the previous SV and SL grades, while an array of feature enhancements are added to the LEAF SL grade, including leather-appointed seating and 17-inch aluminum-alloy wheels.
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It follows reports in the Daily Telegraph newspaper that students from China are being offered places at UK universities with lower grades than home students.
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Kittila saw record third-quarter production and lower per ounce cash costs because of better than budgeted grades and record mill recovery, the firm said.
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