Vacuum packing preventing the evaporation of volatile components. It is also commonly used to store dry foods over a long period of time, such as cereals, nuts, cured meats, cheese, smoked fish, coffee, and potato chips (crisps). On a more short term basis, vacuum packing can also be used to store fresh foods, such as vegetables, meats, and liquids, because it inhibits bacterial growth. Vacuum packing greatly reduces the bulk of non-food items. For example, clothing and bedding can be stored in bags evacuated with a domestic vacuum cleaner or a dedicated vacuum sealer. This technique is sometimes used to compact household
Packing (firestopping) the seal. Proper packing is particularly important with self-leveling sealants. If the packing is not tight enough, the expensive caulking will drip out of the hole. If the packing surface is not straight enough, the thickness of the caulking will be wrong. If firestopping takes place on plumbing pipes that have not yet been tested, packing can move the pipes and interfere with the plumbing. It is thus important for the work to be co-ordinated between plumbers and firestoppers. Packing (firestopping) Packing is the process and/or the materials used in filling both service penetrations and building joints with backer materials