As the heaviest of the pure elements, lead has been found to have many practical applications in the health industry as well as research oriented industries. These applications may find lead used in military as well as civilian life, in hospitals and in the offices of dentists, in power generation and in high end nuclear research facilities. For the most part, lead used in these applications is purchased in the sheet variety; larger sheets mean less fastening, which in turn means fewer weak points. Despite the fact that lead is such a heavy and reliable element, usage over time or even accidents that involve impact may result in damage to lead shielding. Fortunately, there is a way to repair damage to lead sheets that does not involve the major expense of replacing an entire shielding unit: lead shot. Although the main application of lead shot has been in recreation, lead in shot form is also a very useful repair material when it comes to cracks or breaks in lead applications. Shot can be purchased in several sizes, and the nature of the material allows it to “flow” into cracks and pack them tightly, providing a reparative layer of dense material to seal the crack. The small size of the shot means decreased surface area, and therefore fewer air pockets which may otherwise permit a leak in radiation, a compromise of the shielding. Beyond accidental cracks and breakage, lead shot can be used as a sealant from radiation in applications where cracks or voids may inevitably exist due to building structure. A room used for radiation research in a lab or hospital room, for example, requires several openings to allow for piping and electrical wiring. In any case where the solid state of the wall has been compromised, there may be a need for additional sealant, and a solid piece of sheeting may be impractical. In these cases, lead shot can be used to seal the void and add the necessary sealant protection to the structure. Along with the flow capacity of lead shot, the high mass of lead allows the shot to be used as ballast in test model applications. The use of lead greatly reduces the amount of material needed to be used in a given experiment, as the element has a much greater mass than other materials. The ability to pour the shot means that when the test subject has achieved its limit and the final ballast weight reached, the test can be stopped quickly. Lead shot has several applications in industry. These applications can vary from repair material to sealant in hard to reach spots and finally as an easy to use weighing alternative.
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