Like any other living creature, wolves produce internal gases as a normal process of digestion. These gases are expelled through the intestinal tract and out the anus.
check vacume hoses replace any crack ones
It highly unlikely to be smoke, as with most creatures on earth they expell gas known as methane even fish produce gas and what appears to be gas is simply pockets of gas simply rising to the surface, but for a more simple answer it is more likely to be steam that you are seeing especially if it's a hot day.
Helps expell mucus from trachea
Ring fracture/Ring fault, Columnar jointing, Caldera cycle, Blocky lava, Dike, Hydrothermal system, Pillow lava, Trap-door caldera
tell them you will suspend them, expell them or arrest them
Mary Magdalene. {Luke 8.2}
the body is trying to expell the tb bacteria.
Really? Is that an actual question? You do expell methane as you fart which is not a breathable gas but since when are your covers an air tight seal to the point that you displace the air with your farts and suffocate?
In general any pressurized gas container is "empty" when the pressure inside is equal to ambient air pressure. There is still gas in the container, but not enough pressure to expell the gas. Medical oxygen tanks should never be allowed to go below 200psi. The tank is considered empty at this point and should be replaced.
it means to expell poop all over the legislator
The Spanish Inquisition.
Alaskan Tundra Wolves, Alexander Archipelago Wolves, Arabian Wolves, Arctic Wolves, Baffin Island Wolves, Bernard's Wolves, British Columbian Wolves, Cascade Mountain Wolves, Dire Wolves, Eastern Timber Wolves, Ethiopian Wolves, Common Gray Wolves, Great Plains Wolves, Greenland Wolves, Hokkaido Wolves, Honshu Wolves, Hudson Bay Wolves, Iberian Wolves, Indian Wolves, Interior Alaskan Wolves, Iranian Wolves, Italian Wolves, Kenai Peninsula Wolves, Labrador Wolves, Mackenzie Valley Wolves, Mackenzie Tundra Wolves, Maned Wolves, Manitoba Wolves, Mexican Wolves, Mogollon Mountain Wolves, Newfoundland Wolves, Red Wolves, Southern Rocky Mountain Wolves, Texas Gray Wolves, Tibetan Wolves, Tundra Wolves, and Vancouver Island Wolves are all that I know of, and some of these might not even be around anymore.