User Reviews

Extremely informative... Easy understanding...

Very to the point and concise

Very informative, learned a couple of safety measures I didn't know, also didn't realize that silica exposure put your health at such great risk

in curso muy interesante que me a alludado a entender el peligro a que estoy espuesto,y que equipos debo de usar en el futuro

Informative. Good Course!!!

very easy to undesthand.

I enjoyed the expiernece of being able to take this course online and being able to receive my certificate

The course was very good.

The course provides helpful information about hazards of silica and helps to prevent/decrease the risks.

muy interesante