IELTS Writing Task 2: Can you correct this paragraph?

ScottsEnglish

Read the following Task 2 question: 

Animal testing is the best way to ensure that products are fit for human consumption.
To what extent do you agree or disagree with this statement?

Now, read a student's introductory paragraph:

Using animals for experimenting products before being released to markets is a debatable issue. It is agreed that testing products with animals assures their efficiency for people’s use. This essay will firstly discuss the benefits of testing with animals, and secondly, the only available option for scientists to experiment with animals.

Question: Can you find more than five (5) errors?  When you have found some problems, click below for a 'Band 9' introduction.

Corrected Sample answer:

Using animals for product experimentation before being released to markets is a debated issue. Many feel that testing products with animals assures their safety for people’s use. In my opinion, although cruelty toward animals must not occur, testing of animals to ensure the safety of humans, is necessary and important.

For more information on writing a Task 2 introduction, click here.