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Interesting and informative
Course not just for work good safety tips for the home
found this course very useful
Good
Very interesting
Interesting to know what issues and problems you can get from different substances impressive
good
good
Very good
Very important subject, lots of good quality information
It is good that there is a video and a t
This website is good in the way that people can review the videos and have access to more resources
Good content,well presented
This user gave this course a rating of 5/5 stars
Very good course
This user gave this course a rating of 5/5 stars
Well delivered
This user gave this course a rating of 5/5 stars
easy to understand
The course is concise & easy to understand