tender for set of covers for smoothing reactor type sl 30/42,consisting ofhood,shutter and bottom cover with inspection cover,01 no. each per set as perclw specn.no.m/el/20/ts-1 & drg.no.05/1/50/441 alt.7 item 1,2,3 & 4 (item no.3 & 4 in assembledcondition).material should have good fire retardent quality.
