1. a small hole made by a sharp object. 2. (Automotive Engineering) a perforation and loss of pressure in a pneumatic tyre, made by sharp stones, glass, etc. 3. the act of puncturing or perforating. 4. (Automotive Engineering) the act of puncturing or perforating.
The size of the bag depends on the size of the machine you have. If you have a small machine, you get a smaller bag. My machine is a 'medium' sized one, and my bag lasts approximately 6 months or so. Bags are not cheap, but they are part of the great filtration on this machine, so I suck it up (pardon the pun).
The JSLIST has a shelf life of five years if unopened. The JSLIST can be worn in a contaminated environment for 24 hours. In addition, JSLIST users must keep track of how long the JSLIST suit has been out of its original packaging bag, and how many times it has been washed.