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A heat pump works similarly like refrigerator. During the heating season it heat from outside to inside and the opposite is true during the summer months. A heat pump actually moves heat rather than generates heat
Hot compress spa therapy treatment vector illustration
Sciatic nerve pain in the lower back through hip, thigh, knee to leg. Educational or informational poster. Flat vector medical illustration isolated on white background
Conjunctivitis treatment with medicines and medical help outline diagram. Labeled educational scheme with simple care recommendations for viral, bacterial and allergic infection vector illustration.
Pinched sciatic nerve, vector medical illustration vector