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).
These questions will have to come with all kinds of qualifiers. First of all, every state has weight limits for trucks. Twenty-six states maintain minimum federal gross vehicle weights (weight of truck and load) of 80,000 pounds, while 19 states permit trucks of 105,000 pounds or more. Michigan tops the list with 115,000 pounds.