Buarin's product Knowledge is very good. She can explain how to use the respirator, the advantages, and the disadvantages and can answer every question clearly.  She shares that there is a good explanation and reason for the numbers shown on the machine. She is fast, quick to fix, adjust when the machine has a problem. She forms relationships and takes care of the patient very well. The mask is adjusted according to the patient's needs until it is suitable every time until the patient is familiar and willing to follow. She knows how to convenience patients. She is polite, humble, respectful, knowledgeable, approachable, warm, and very trusting. Relatives feel safe when she cares for their loved ones.