A nursing mother prepared her baby's milk mixture at 85o C, in a feeding bottle. In order to cool it to 40o C, she immersed the bottle in an aluminium bowl of heat capacity 90 J K -1 containing 500g of water at 26o C. If the mass of the mixture is 300g
(α) Name two ways through which the bottle losses heat
(β) Name two industrial processes in which heat exchange is used