supply of spares for soot blower , lance tube for wall blower , geared motor for the longitudinal motio* , g l a n d for soot blower , b-wall deslaggers sbv head assy . , wall blower poppet valve lever rw-5e , wall blower vent valve for rw-5e , rack guide roller shaft-rack g . box assy . , geared motor-rotary motion , wall blower , wall blower complete assly wb-1e , wall blower lance tube for wb-1e , wall blower poppet valve for wb-1e , wall blower poppet valve lever for wb-1e , wall blower traverse gear box for wb-1e , geared motor-rotary motion of lrsb , lance assembly , lrsb traverse gear box , lrsb rotary gear box , lrsb traverse gear box blr 5 , lrsb rotary gear box blr 5 , lrsb valve operating lever blr 5