 [Si]{}[ii]{} $\lambda\lambda\lambda$ 0000, 0000, 0000, [Al]{}[ii]{} $\lambda$ 0000, [Al]{}[iii]{} $\lambda\lambda$ 0000, 0000, [Si]{}[iv]{} $\lambda\lambda$ 0000, 0000, and [C]{}[iv]{} $\lambda\lambda$ 0000, 0000 are covered in the red part of the spectrum