It all depends on what you want to shoot with it. Plinking, Target or Hunting. Then how much can you afford. Inexpensive air guns are as cheep as $20 up to over $500.
A good airgun not AIR SOFT, you asked about Air Guns, there is a difference, will shoot pellets. Forget about BB guns they are inaccurate. well made Air guns have rifled barrels. These are the grooves that make the pellet spin and shoot straight. BB guns have smooth barrels and the BB's wonder off target.
Your question was about guns so I assume that you are not asking about rifles. Guns have less power than rifles and are a little less accurate. However there are some excellent Airguns in production. The best Airguns are of the "PCP family" these are competition air guns and very accurate. PCP (Precharged Pneumatic) air guns start around $500 and go up from there.
Check the first link below or Link #2 these are two of the best online airgun shops that I know of.
Now if you want a less expensive but an accurate airgun I suggest looking at the single shot Crosman 1377c for around $55 or the single shot Crosman 2240 for about the same price. The 1377c is a multi pump and very accurate, the 2240 is a C02 airgun and fun to shoot. The Crosman 3576 ($50) is a 10 shot, modeled after the "Colt 357."
I suggest the you look at the two web pages and read the reviews on Pyramydair and find something you and afford.
When looking for an air purifier you should look for the warranty the company provides. You should also look for what types of pollutants the unit purfies.
The qualities you should look for in an air conditioning repairman are that he/she is certified, has experience and seems honest. You want to find someone that comes off as very knowledgeable and will provide you with a good, honest service for a decent price.
If you want a new air conditioner, you should compare the prices of every retail place such as Lowes and even check online for some of the best deals.
Air conditioners come in different sizes. For a portable air condition for a small area, you'll probably want 12,000 BTU or higher. The larger the space you want to cool, the more BTU's you should have.
Chances if you are asking this on Answers.com I don't want you to fly my air plane but otherwise you really should look that up somewhere else.
Leave it unwrapped and exposed to the air ... if you want it to just get stale, the air should be relatively dry. If you want it to get moldy, the air should be moist, and you should keep it in a dark environment.
When looking for an Air Purifier you should first consider which type would work best for you.In my opinion the filtration system has to be a good one look for the CADR rating on the box, find out about the noice factor for the unit and make sure there is a warranty.
If you want that our future generation should enjoy the pure air of the environment then there is a need to control air pollution...............
It depends on how cold you want the area that your using the air conditioner on.
BEST FRIENDS GET MARRIED MARRY YOUR BEST FRIEND!!YOU NO YOU WANT TO!!LOVE IS IN THE AIR!!
If you want to build your own air gun I suggest you search" You tube" and look for "Home made air guns'
It should be in the air intake. It look like a light bulb filement most of the time. Look on the air intake box. Also look in the tube coming from the cowl.