At the Institute for Industrial Technology (IIT), you can train in:
The training courses last between 6 months and 3 years.
As a trainee on a dual vocational training course, you go to school for 2 years. You then spend a year in a company. Here you do the practical part of your training.
The courses are only for male applicants. You must be at least 16 years old. You must have a knowledge of mathematics and physics. You can apply at any time. Please find information on how to apply here: https://www.iit.edu.ng/admissions/admission-requirements
You will have to pay a fee for the training.