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The project experience ( especially in St. Lucia in 1981 or 1985 ) confirms that a much more positive result could have been achieved with adequate technical assistance ( TA ) and training , especially at project inception . You are allowed to work more than one job on campus as long as you do not exceed the 20 hour limit per week ( for total hours worked in all jobs , including RAs or TAs ) during the academic year ! AB - In Japan , interventional radiology ( IVR ) treatments such as transcatheter arterial embolization ( TAE ) , percutaneous ethanol injection therapy ( PEIT ) , and intraarterial infusion chemotherapy play an important role in the treatment of hepatocellular carcinoma because of the associated cirrhosis ( impairment of liver function ) and occasional multicentricity . The principal duties of a Teaching Assistant ( TA ) include assisting faculty members in the classroom , preparing material for the instructor , conducting tutorials and discussion sections , and grading quizzes , tests , and papers . Course help is available from Teaching Assistants ( TAs ) , Laboratory Assistants ( LAs ) , and from the instructor . Intrahepatic recurrence after hepatectomy can be treated with repeated hepatectomy , transhepatic arterial embolization ( TAE ) , percutaneous ethanol injection therapy ( PEIT ) , or microwave coagulo-necrotic therapy . At the beginning of the fall and spring terms / semesters , the Robert B. Toulouse School of Graduate Studies holds an orientation for all new teaching assistants ( TAs ) and teaching fellows ( TFs ) . He ( or one of the TAs ) will respond with some questions and suggestions to help you adjust the clarity and level of generality of the topic . Current research projects include the development of the Total Access System ( TAS ) that will provide universal access to any computer-based equipment , and the development of various " Accessors , " which will provide access to computer information for people with a multitude of disabilities . Your recitation hour will have a Teaching Assistant ( TA ) and a smaller group of students . Teaching Assistant ( TA ) and / or Academic Internships ( AI ) : Practical production work within their area of training . The Technical Advisor ( TA ) will be a senior international technical expert with a second degree in Biological or Natural Resources Sciences .