removing an catalyst of a male fiberglass that membrane
monocle is lens. fiberglass is artificial_substance. biocatalyst is catalyst. separation_of_fused_structures is cardiac_valve_repair_procedure. fiberglass is glass. one_elongated_filament is glass_fiber. fiber_optics is light_wave. fiber_optics is fiber. fiberglass is covering_material. cutting_thread is severing.