The quickest way to find things is to do a google search I find. For these I just typed in NOC 3233, then NOC 3152. If you do you will find all sorts of other links to try. Go to the following links for JOB DUTIES as well. Good Luck.
http://www5.hrsdc.gc.ca/NOC/English/NOC/2006/QuickSearch.aspx?val65=3233
3233 Licensed Practical Nurses
Licensed practical nurses provide nursing care usually under the direction of medical practitioners, registered nurses or other health team members. They are employed in hospitals, nursing homes, extended care facilities, rehabilitation centres, doctors' offices, clinics, companies, private homes and community health centres. Operating room technicians are included in this unit group.
http://www5.hrsdc.gc.ca/noc/english/noc/2006/quicksearch.aspx?val65=3152
This unit group includes registered nurses, nurse practitioners, registered psychiatric nurses and graduates of a nursing program who are awaiting registration (graduate nurses). They provide direct nursing care to patients, deliver health education programs and provide consultative services regarding issues relevant to the practice of nursing. They are employed in a variety of settings including hospitals, nursing homes, extended care facilities, rehabilitation centres, doctors' offices, clinics, community agencies, companies and private homes, or they may be self-employed.