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Melt Blown Process The manifolds regulate the high velocity streams of hot air that converge with the forming fibers as shown in Figures 5.26 and 5.27 Typical hot air temperatures are 215–340 C The air velocities through the air channels above and below the polymer feed die openings Moisture control and ventilation The energy efficiency of ventilation can be further improved through heat recovery from exhaust air demand controlled ventilation depending on occupancy moisture or air quality factors Air supplied for ventilation can be cleaned of outdoor air pollutants Also heating and cooling can easily be combined with mechanical ventilation systems.

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Directorate of Geology and Mining Govt2015 5 22 Invitation of bids for grant of Mining Lease for Limestone Graphite Iron ore Bauxite Kyanite Sillimanite and Manganese Ore Minerals and for grant of Composite Licence for Copper Copper Gold and Manganese Ore Minerals Date 24/12/2020 DMF PMKKKY Status Report at the end of November 2020 Date 02/10/2019 DGPS Latest Updates Date PDF Iron Mining Industry in Singhbhum Mayurbhanj Region ties the iron mining has made a deep impression in this part of India The western section of the iron ore region consists of forest clad hills rising to over 3000 feet which merge eastward into the undulating granitic plain of Mayurbhanj Apart from a limited agriculture and forestry the chief eco nomic activity in Singhbhum Mayur bhanj is