Definitions for "Blooms"
Jelly blooms are the result of reproduction events where, in its asexual stage, jellies bud multiple polyps, and these polyps divide. It's thought that blooms of jellies occur when waters are overfished or when a species is accidentally introduced into an environment and begins to take over.
Keywords:  billets, oblong, ingots, steel, larger
Steel shapes that have a cross-section smaller than ingots but larger than billets. They are square or slightly oblong, mostly in the range of 150mm x 150mm to 300mm x 300mm. Ingots are rolled into Blooms.
A population burst that remains within a defined part of the water column.