Impost arch - projecting course at upper part of a pier and abutment to stress the springing line. The arch may be defined as a mechanical arrangements of wedge shaped blocks of stone or bricks which mutually support each other and entire arch is supported at ends by piers or ab...
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590,000
625,000
6% off
1,499
2,499
40% off
590,000
625,000
6% off
5.0
590,000
0.0
5.0
5.0
4.5
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