Impacted fracture
In much the same way as we do today, the pioneers understood that use of a rigid splint secured with cords would allow the ends of the bones to be kept close to each other, so as to allow the broken ends to become fused to each other and heal.
In the books, Melissa ends up going to the hospital. She is fine except for a broken arm.
they repel each other
Then you will end up with two magnets, each half will be a new magnet, with both a north and a south pole. But the magnet will be weaker.
When strips of clay are pushed from opposite ends, they undergo compression in the middle while being extended on the sides. This creates deformation in the form of folds and buckling in the clay, leading to a change in shape and structure as the material is pushed and pulled in opposite directions.
both ends of the party have a crush on each other
None but its circular ends are parallel to each other
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Where the Sidewalk Ends was published in 1974.
Life ends.
Barnstorming.
Dogs say "hello" to other dogs by sniffing each other's rear ends.