| http://www.w3.org/ns/prov#value | - hough the weight amount of a first constituent may remain the same, in that none is added or subtracted from the prior amount, changing the amount of another constituent (e.g., B2O3) can cause a change in the weight percentages of both constituents.) These fibers were carefully tested to determine the Tm characteristic of each fiber, and FIG. 7 is a graph showing the measured Tm for each of the se
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