Perfect visibility is represented by a deciview of zero, so a decrease in deciview is an increase or improvement in visibility.
Deciview of zero indicates perfect visibility.
Deciview increases indicate better visibility.
The girl is reading a book.
A woman is using a tool.
Greek cotton is used for poor quality, hot clothing.
Humans are moving an object.
The people are flying past boats.
There's that old Charles Manson case.