General description of the traditional application/device

Propose an SMA based novel application/device in form of a report and should follow following guidelines: • General description of the traditional application/device (which SMA will replace/improve) or description of problem (which application of SMA will resolve). • What role does the shape memory alloy plays in proposed application? • What are the advantages of the proposed SMA device? Any short coming of the SMA device? • Detail design (including drawing) and description of proposed application/device are required. • Proposed application has to be novel.