spherospermium

sphere spherical Sphecidae Sphecius Sphecius speciosis sphecoid wasp Sphecoidea sphenacodont sphendone sphene sphenethmoid sphenetite

depreciation-output depreciation-percentage of original cost depreciation-production depreciation-proportional method on fixed base depreciation-reducing balance depreciation-reducing instalment method depreciation-replacement method depreciation-retirement method depreciation-revenue method depreciation-service output