Equipment such
as chafing
dishes, steam
tables and
heated cabinets
designed to
hold foods hot
should at least
keep food
temperatures at
or hotter:

135°F (57°C).

Explanation:

The temperature of 135°F (57°C) is perfect for keeping hot foods hot until you decide to eat or serve them. Chafing dishes, steam tables, and heated cabinets are actually created with this purpose of handling very high temperatures when it comes to foods. If the temperature is lower, the food will not be cooked well. If it's a lot higher than 135°F (57°C), then it might get burnt.

taking into account that a theme is the central topic a text treats and can be developed through a story, play, poem etc. the following are themes that can be further developed:  

my best friend jeffrey has many unusual interests. (the story could be about each of the unususal interests)

once a man gives his soul over to evil, he can never go back. (this could be a saying or a proverb)

the three sheepdogs lay around the yard all day. (it could be developed detailing how each of these sheepdogs lay around)

a priest's collar has an unusual effect upon people. (it could be developed detailing the different effect upon people)

innocence is a powerful force in a world full of corruption. (it could be developed detailing how is a world full of corruption)

king lear is a play shakespeare wrote later. (it is just a sentence and doesnt give any idea or topic to be discussed in details.

evil often wears the disguise of innocence. (this could be a saying or a proverb)

citizens are given 25 years of life to prove their worth to society; if they fail to do great things