{HEAD ~ The present invention} is advantageous over the prior art in {TAIL ~ the following respects}: accurate alignment is maintained between the subassemblies, even when the assembly is subjected to shock; the stress between the alignment features is never excessive since the alignment features are employed only momentarily until the flexures are mechanically secured to the second subassembly; and the connection between the subassemblies is rigid and does not require spring force or gravity to keep the subassemblies in alignment 
is advantageous in
{ HEAD ~ The present invention } is advantageous over the prior art in { TAIL ~ the following respects } : accurate alignment is maintained between the subassemblies , even when the assembly is subjected to shock ; the stress between the alignment features is never excessive since the alignment features are employed only momentarily until the flexures are mechanically secured to the second subassembly ; and the connection between the subassemblies is rigid and does not require spring force or gravity to keep the subassemblies in alignment
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