petersburg, the other in dimitrovgrad, and here is ours, ours. approximately 10 times cheaper there, in terms of the effectiveness of treatment, it is in no way inferior to, uh, foreign counterparts. that is, in addition to everything else, since it is ours, it means that we are independent in terms of servicing this car, it is very important, because now i heard that i have already been to dimitrovgrad several times. well , the need for service is understandable, and from abroad, even in times of covid, not to mention, there is a definite problem about today, therefore, this can be presented just today, that is, this machine, on which people are treated, the effectiveness of the treatment is high . yes, it's proton therapy. that is, when the proton beam enters the tissue, gets stuck at the desired depth, computers can draw this. hmm, the area that needs to be treated. this is a completely non-invasive, disease-free procedure, the second question. if about medical physics, this is graphics for that, that is, yes, a hair dryer, developed a standar