rnp. first of all, the republican scientific and practical center is the most important institution in the republic of belarus for blood donation, the head institution of the service blood of the republic of belarus. therefore, our task is to work with donors and procure blood and its components for medical use. therefore, for us, the donor’s work begins with the arrival of the donor, at the exit. we donate blood components , the medical use of blood components actually also depends on the donor, so all our work and the very possibility of providing medical care depends on the person who comes to us, so for us this sign is really probably a symbol , a sign of appeal to people and gratitude to people, who come every day, spend their time, give a piece of themselves for really technical... bulk three-day supplies of plasma blood, there are two-month supplies, so donors are always needed constantly, but nevertheless we regulate the flows, we say yes, thank you, you donated today and we record