unwind chemicals deposition
deposition is accretion. electrochemical_deposition is wafer_deposition. unwinding_dna_molecule is chemical_reaction. chemical_vapor_deposition is not thin_film_deposition. deposition is not accretion. thin_film_vacuum_deposition is vacuum_deposition. chemical_vapor_deposition is thin_film_deposition. electrochemical_deposition is not wafer_deposition. unprocessed_uranium is beta_emitter.