How to determine whether a perfume is authentic
Know the seller.
Most counterfeit perfume purchases can be avoided by going to a reputable seller. There are a variety of outlets for perfume, and it's important to understand the benefits and dangers of each.

Department stores are always the safest way to buy perfume, as you have the advantage of being able to closely examine the bottle in its packaging and talking to the retail staff. This allows you to approach the staff if it's possibly a fake, and you are able to return the perfume if it's not authentic.

How to remember the five great lakes
Learn homes.
Homes is the most popular mnemonic device used to remember the great lakes. Each letter in homes stands for a different lake.

If you can remember homes (as in, the lakes provide homes for many species of birds and fish) you'll be able to remember the five lakes. Here's what each letter stands for : H is for huron.

How to be an effective project manager
Identify and communicate a goal.
With larger projects, there will be many smaller steps along the way. No matter how many people or steps are involved, make sure to stay focused on the final outcome.

The ability to keep one's eye on the prize is a hallmark of successful project managers. By focusing on the big picture, you keep your team focused on a shared goal, rather than individual whims or interests.

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.