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Blastrac is the leading global developer and manufacturer of surface preparation equipment. We have an extensive range with over 55 different machines for preparing & maintaining floors and other surfaces for all kinds of materials.
blastula. An early embryo nic form produced by cleavage of a fertilized ovum and usually consisting of a single layer of cells surrounding a fluid-filled spherical cavity. blastula. spherical, hollow mass of cells resulting from the division of the egg.