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बॉयलर, कम दबाव
A boiler furnishing hot water at pressures not exceeding 160 pounds per square inch (psi) and at temperatures not more than 250oF (121oC) or steam at pressures not more than 15 psi.
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Penulis
- mitraashutosh
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(V.I.P) 10722 poin - 100% positive feedback
(India)
