They are taught by professionals in that specific industry .
These classes , usually about 1.5 hours ( two periods ) long , are designed to help students gain a better understanding in that specific field , and better prepares them for it .
students are taught by professionals in that specific industry .
These classes , usually about 1.5 hours ( two periods ) long , are designed to help students gain a better understanding in that specific field , and better prepares them for it .