Being a âSettlementâ currency is not quite the same as being a âReserve Currencyâ like the dollar, but it a major step in that direction. It is, in fact, a very large step. Which currency large international trades are done in matters.
There are approximately 33.33 square feet in a bundle of standard composite shingles. A square is a 10-foot by 10-foot area and requires three bundles of shingles for coverage.
Normally shingles are grouped horizontally in groups of three or four. Either glue or small tacks holds together the pre-grouped shingles.  â¦    also, 3 bundles of 30 year shingles = one square=100 sq ft coverage.------------------------------------ A standard 3-tab shingle contains 1/3 of a square.... that is, it takes three bundles of shingles to cover 100 square feet.