Some applications of neutron-activation analysis are reviewed. Its uses include the determination of the inorganic composition of aerosols, in archaeology, and the O determination in rocks or as a trace element in metals. Development of relatively inexpensive isotope neutron sources such as ²⁵²Cf and ²²⁷Ac -- Be has increased the interest in the determination of major constituents. The advantages offered for a number of elements such as F, Mn, Al, Si and Ag are either due to high speed and/or high precision performance. -- AATA