Speech Difficulties in Down Syndrome. Down syndrome (DS) is an incurable genetic disorder that has a profound impact upon a personâs physical, mental, and social development. Children with DS have anatomical and physiological differences in the mouth and throat region that affect feeding, swallowing, and oral motor skills.
1 A gross refers to a group of 144 items (a dozen dozen or a square dozen).  A great gross refers to a group of 1728 items (a dozen gross or a cubic dozen).
The gross-up and tax-credit system is based on a concept called tax integration, which holds that an individual should pay roughly the same amount of tax whether money is earned from a company directly (as a salary, for example) or indirectly (as a dividend). Story continues below advertisement.