Here is some documentation YOU should research. You can't summarize 100's of pages. Also for a skilled worker job in Canada you have to do WAY more than just show up.
Express Entry (it is highly dependant on quallifcations, certificates (red seal), education and expertise in English or French):
https://www.canada.ca/en/immigratio...election-factors-federal-skilled-workers.html
http://www.cic.gc.ca/english/helpcentre/answer.asp?qnum=689&top=29
What is a Red Seal? The Red Seal basically provides a stamp of approval on the tradesman's capabilities and provides greater mobility for skilled workers across Canada. The Red Seal program allows qualified tradespeople to practice their trade anywhere in Canada where the trade is
designated.
The
Red Seal Program, formally known as the Interprovincial Standards
Red Seal Program, is a program that sets common standards to assess the skills of tradespeople across Canada. ... The
Red Seal endorsement promotes excellence to employers, instills pride in skilled workers, and facilitates labour mobility.