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(This is the best location in your room, too.) The particle counter goes in the farthest corner of the room from the purifier, taking readings continuously, with counts totaled in one-minute increments

In most cases, excess farting will resolve on its own when the foods have been digested or you change the habits that lead to swallowing excess air

On the other hand, commercial air cleaners are more standardized from unit to unit, so performance testing of these products is more reliable

Those of us accustomed to smoking pipes and cigars are so used to them that we seldom think of how they affect fellow passengers, but pipe tobacco and cigar smoke is usually heavier than cigarette smoke, and an airplane cabin, despite the fine ventilation system, is not a large room

You can avoid the long lines and waiting usually associated with big ships in big ports