Which two jobs have high demand need for practitioners( have a skill shortage)

Skill shortages exist in a company when there are not enough people with the needed skills to meet the demand of jobs. They are caused by many factors like there are not enough workers to do the work, some do not have the required skills, etc. 

Other than software engineers and developers, the other jobs in the world in need of practitioners are electronics engineers, mechanical engineers and nurses. They are the top 4 most-in demand jobs around the world. 

Idk with yr talking about there's nothing no even a pic so how can ppl u not trying to be rude or anything