Two of the men received suspected beta ray burns after stepping into water.
有两名工人在步入水池中时，遭受了被怀疑是贝塔射线造成的放射灼伤。
2
Inside are tiny "springs" made of carbon nanotubes - minuscule hair-like filaments - that can "sense" pressure from a slight pinch up to the equivalent of two elephants stepping on top of the sensor.