There are 5 types of mode of operation, Electronic CodeBook (ECB), Cipher Block Chaining (CBC), Cipher feedback (CFB), Output Feedback (OFB), Counter Mode (CTR).
Thermal resistance is defined as the ratio of the temperature difference between the two faces of a material to the rate of heat flow per unit area. Thermal resistance determines the heat insulation property of a textile material. The higher the thermal resistance, the lower is the heat loss.