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Please send your questions to chefinstructor@security-umbrella.com, our chiefinstructor will answer them and you will find it here.      . read more »
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Our chiefinspector answer your questions...

Please send your questions to chefinstructor@security-umbrella.com, our chiefinstructor will answer them and you will find it here. 

 

 

.

At first glance, that seems logical; a practical instruction in the presence of an expert is not wrong. However, reality is different and you should not take any risks, especially in such an important matter as your own safety.