1. The tightly packed sheep were sheltering from the rain under a pine tree, which acted as a conductor for the electricity.
2. That saved space inside the tightly packed body of the phone, but meant that covering a spot on the lower left edge blocked the wireless signal.
3. The brittle atom disks inside were packed together so tightly that it was hard to assess the damage.
4. The crowd was so tightly packed that some people complained they felt claustrophobic.
5. She found that memory was linked to how tightly neurons were packed, but only in men.