121. Trevino is a silversmith and works with various metals. At the end of the day, he reclaims
and separates each metal by using an inexpensive toxic acid though other methods are available.
The risk of fire as well as health dangers to Trevino is unknown. Trevino should:
Mini-Case
The Bookworm is a bookstore and café located on a busy downtown main street in Denver. The
owner, Waata Reader, prides himself on the vast selection of books available in the store. The
store has three stories, with both stairs and an elevator to each level. In the back of the first floor
is the café, which serves pastries and coffee drinks. Many times customers will linger there over
a cup of coffee, deciding which book to purchase. Waata has expanded several times and now
has 22 people on the staff.