sevens that have lost bits of the aircraft but they will have -- if you look closely at the -- what you are looking at there. there is an enormous amount of individual parts and each of those parts, the structure inside, the various bolts and struts, they will all have their own serial numbers on them. so it will not be rocket science to work out whether this came from mh370, it will take a little time. >> in the best case scenario, if they can find a serial number. >> no can. they will. look at the size of the thing. >> it is not washed off or damaged. it is on there. >> not more than likely. there will be more than one serial number on the various parts in that piece of equipment. >> they will find serial number. >> yes. >> matter of hours or days. >> yeah, hours. you have to decide what's the best mechanism. the bea which is the french authorities they will liaison with the french authorities and australians and you have to