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Very interesting course.
Very good,interesting course to watch.as use alot of chemicals nice to know about hazardous substances +to stay save using them.
Good
This user gave this course a rating of 5/5 stars
ok
This user gave this course a rating of 5/5 stars
aaaaaa
This user gave this course a rating of 5/5 stars
a good course easy to understand
This user gave this course a rating of 5/5 stars
easy learning
well presented in various slides. fairly quick and easy learning
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ok
ok
ok
good
Ok
Super