139912 Environmental Manager 由Low Availability调整为Special Conditions Apply；

233212 Geotechnical Engineer 由High Availability调整为Medium Availability;

312312 Electrical Engineering Technician 由Low Availability调整为Special Conditions Apply；

312912 Metallurgical or Materials Technician 由High Availability调整为Medium Availability;

323212 Fitter and Turner 由High Availability调整为Medium Availability;

334111 Plumber (General) 由Medium Availability调整为Low Availability；

341111 Electrician (General) 由High Availability调整为Medium Availability;

411411 Enrolled Nurse 由Low Availability调整为Special Conditions Apply。