What are the advantages and disadvantages of trade unions

If you do a Google search for Trade Unions Advantages and Disadvantages, you are likely to find an answer and be able to give yourself credit for finding the answer.

What are the advantages and disadvantages faced by unions in south africa

what are the advantages and disadvantages faced by unions in south africa

It would be best if you would post your question as a separate question. The way that you have posted it now is as an answer to the original poster's question. This is not a chat room. Your question will get noticed more if you post it as a question on it's own.