a extinguish place is a protons where a radiation reacts with space oil
excimer_laser is laser. radiation is spread. alpha_decay is nuclear_radiation_process. reactive_ion_etch is dry_etch. electron_excitation is not quantum_state_transition. alpha_decay is not nuclear_radiation_process. excimer_laser is not laser. corpuscular_radiation is radiation. radiation is energy. reactive_ion_etch is not dry_etch.