all the nails worked together,all the nails work together,ev,the puzzle,all the parts need to work together,they all work together,they work together,the nails are like a system,they all work together by the plants hab,all the nails worked together to make it,if one is not there the structure falls,eev,all the nails work together to make it.,every part helps!,the nails work together to hold each out,they worked together.,every part helos,all the pats need to work together,all the parts need to work togerthank,they need to work togeter,each thing realize on each other,becuase they worked together to complete,all the nails depend on each other,