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  • 6, passivation to remove hydrogen parts should be passivation after the removal of hydrogen, passivation before the application of 1%H2SO4 or 1% hydrochloric acid activation 5~15s. Passivation shall be treated with colored chromate unless otherwise specified in the design drawings.

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  • Choose birds, raise birds before you need to choose the right birds, generally choose young birds, or minor birds, the requirements of health, strong activity, these birds are relatively easy to keep.

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