follow a procedure
follow the steps
EXAMPLE: When you are learning to do something new, it is important to follow the procedure very carefully.
pose a risk
could be dangerous
EXAMPLE: The thin ice on the lake posed a risk. Don't walk on it. It's not safe!
properly
correctly
EXAMPLE: Children need to learn how to do things properly.
raw
not cooked
EXAMPLE: Raw meat needs to stay in the refrigerator until you are ready to cook it.
sanitation
a system for protecting people's health by removing dirt and waste
EXAMPLE: A garbage collector is sometimes called a sanitation worker. They take our trash away!
chemical
a manmade substance
EXAMPLE: A dangerous chemical was found in the water supply. The water is contaminated. People should not drink that water.
(verb) contaminate
(noun) contamination
to make something dirty or poisonous
EXAMPLE: The chemical contaminated the water. The water is no longer safe to drink.
estimated
(verb) guessed
EXAMPLE: The estimated cost of educating the children of our city is 27 million dollars each year. However, it might be a little more or a little less.
handle
to touch, hold, or pick something up
EXAMPLE: For safety, please don't let children handle sharp knives. They could get hurt.
incident
an event, especially one that is bad or unusual
EXAMPLE: There was an incident in the parking lot yesterday. Someone tried to steal my boss's wallet.
investigator
someone who tries to discover all the facts about something
EXAMPLE: There was an accident at the factory yesterday. Today investigators are trying to find out what caused it.
maintain
to make a situation or activity continue in the same way
EXAMPLE: He maintains good relationships with his neighbors and friends.
presence
the fact of being in a place, to be present
EXAMPLE: I accidentally put salt in my coffee. The salt's presence made it impossible for me to drink the coffee. It tasted terrible!
production
the process of making or growing something
EXAMPLE: Food production is important in the United States. Americans depend on our farmers to grow the food we need to eat.
quantity
amount
EXAMPLE: The refrigerator stopped working yesterday. Unfortunately a large quantity of milk was spoiled. We had to throw it away.
recall
to order the return of something
EXAMPLE: When the company realized their cereal contained glass, they recalled it. If you had purchased a box, you could return it to the store for a refund.
remove
to take something away
EXAMPLE: For safety, it is important to remove chemicals from drinking water.
spoil
to go bad
EXAMPLE: The meat sat on the counter for too long and it spoiled. We had to throw it away so that we didn't get sick.
stage
a step in a process
EXAMPLE: My son and I are working on a school project. It is almost complete. Our project is in its final stages.
substance
a solid, liquid, or gas
EXAMPLE: Water is the most common substance on Earth.
surface
the top or outside part of something
EXAMPLE: It is not windy today. The surface of the water is completely calm and smooth.
thoroughly
very carefully, completely
EXAMPLE: Wash your hands thoroughly before working in the kitchen.