Hi - just wanted more details about applying for a temp visa

Hi - I am looking at your page - http://www.canadaupdates.com/content/shortage-occupations and one of the shortage occupations is restaurant and food service managers - can you expand on this - I can see no further information on you site or on the internet. If this is true does it apply to over 35's and what type of job and visa are we talking about here. yours sincerely Richard Potter