There are no exceptions from such a simple rule and specific work, such as diamond cutting of openings. In this case, safety precautions can be even more important, since we are talking about the use of very powerful tools with the most acute cutting elements. One has only to recall how easy it is to injure a person with a tool that in a matter of minutes drinks a gap of up to half a meter in the strongest concrete wall, as it becomes clear that caution in handling such technology will never be superfluous. And even some measures beyond the usual will be relevant and provide workers with maximum calm.