How to clean a furnace
Locate the access panel on the outside of the furnace.
This is below the return-air duct, between the blower system and the duct. Usually, the filter is found inside the front of the furnace.

You may need to unscrew the front panel from the furnace or remove it from hooks that hold it in place in order to access the filter. Your furnace filter may also have its own access door.

The children on the sidelines are jumping up and down with swim caps and swimsuits on as they watch the people who are already in the pool swim. a person

walks by the camera as the shaky camera focuses on the people who are already in the pool swimming.

. a woman wearing light blue tank top and black shorts

is exercising on an elliptical.

How to treat ricin poisoning
Seek treatment immediately.
Once you have been poisoned with ricin, you'll need to seek treatment immediately. The quicker you get treatment, the better your chances of living.
If untreated, ricin may begin to shut down your respiratory and other important systems. In the us, call (800) 222-1222 to speak with poison control immediately.