Better way to structure android string array

strings.xml

    <string-array translatable="false" name="create_user_permission_type">
        <item>@string/machine_operator</item>
        <item>@string/supervisor</item>
        <item>@string/machine_tech</item>
        <item>@string/machine_admin</item>
    </string-array>
    <string name="super_admin">Super Admin</string>
    <string name="machine_operator">Machine Operator</string>
    <string name="supervisor">Supervisor</string>
    <string name="machine_tech">Machine Tech</string>
    <string name="machine_admin">Machine Admin</string>

    <string-array translatable="false" name="preferred_pressure">
        <item>@string/units_psi</item>
        <item>@string/units_bar</item>
    </string-array>

    <string name="units_psi">PSI</string>
    <string name="units_bar">Bar</string>