Since the tentorium is a hard structure, if there is an expansion of the volume of the brain or its surrounding matter above the tentorium, such as because of a tumour or bleeding, the brain can get pushed down partly through the tentorium.
22.
Revisiting his interpretation of " Pickwick Papers " from his first book, Marcus argues that Dickens's style begins in a mode of " free, wild, inventive doodling " but gathers design and purpose as Pickwick encounters the hard structures of law, property, and money.
23.
But hard structures can, as the report put it, " have negative impacts on the physical and aesthetic characteristics of beaches, " and beach renourishment, which it said costs an average of $ 300, 000 a year per mile of coast and is rarely cost effective.
24.
The inflatable antenna weighed only about 132 pounds ( 60 kilograms ) and an operational version of the antenna may be developed for less than $ 10 million-a substantial savings over current mechanically deployable hard structures that may cost as much as $ 200 million to develop and deliver to space.
25.
While there was an early seawall made by the French government in 1735, this was not " hard structure coastal defense " so much as an adjunct to the old shipping pier and a transition from the beach to the town, which sits at a height of 8.5 m above sea level.
