The dose of radiation to the conjunctiva is controlled by the time that the plaque is left in contact with the surface.

The main battlefront for detractors of the Shahbag protests is now public perception, and this can have deadly consequences in a society where religious tension is constantly smoldering.

The most common method of tattooing in modern times is the electric tattoo machine, which inserts ink into the skin via a single needle or a group of needles that are soldered onto a bar, which is attached to an oscillating unit.