{HEAD ~ The apparatus} 1, wherein {TAIL ~ said alloy lining} has a thickness of from 0.5 to 5 mm and the double layer coating has a thickness of from 2 to 40 μm 
wherein
{ HEAD ~ The apparatus } 1 , wherein { TAIL ~ said alloy lining } has a thickness of from 0.5 to 5 mm and the double layer coating has a thickness of from 2 to 40 μm
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH