Originally posted by SMB145B:no wonder ...
if anything drops, use cable ties ...
what about the readers on SMB136C?
That one I not sure~ But I can say that the drivers(be it bus or
taxi), always have their backup tools, aka "spare
parts"~ 
They mostly use plastic bags one
Air con cold? Drivers would use tissue or tape to seal up the
air hole(above door) Unique Singapore~~