The valves mounted on the boilers which change the direction of flow of steam by 90° and valves fitted in the pipelines which allow the steam in the same direction are respectively called as _____.
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590,000
625,000
6% off
1,499
2,499
40% off
590,000
625,000
6% off
999
1,499
33% off
3,999
5,499
27% off
590,000
0.0
5.0
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