1 The excavation is less than 7-1/2 feet (2.5 meters) deep or is benched for at least 2 feet (.61 meters) horizontally for every 5 feet (1.52 meters) or less of vertical height;  The bottom of the excavation, from the excavation face to the formwork or wall, is at least 2 feet (.61 meters) wide, and wider if possible;
The definition of a detriment is  something that can cause damage, injury or harm. An example of a detriment to your health is not eating healthy foods.
Disparate treatment. Disparate treatment is one kind of unlawful discrimination in US labor law. In the United States, it means unequal behavior toward someone because of a protected characteristic (e.g. race or gender) under Title VII of the United States Civil Rights Act.