vacuum seal - ορισμός. Τι είναι το vacuum seal
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Τι (ποιος) είναι vacuum seal - ορισμός

METHOD OF REMOVING AIR FROM PACKAGE PRIOR TO SEALING
Vacuum-packing; Vacuum sealing; Vacuum-seal; Vacuum pack; Cryovacking; Vacuum sealed; Vacuum seal; Vacuum packed; Vacuum packaging; Vacuum Packaging Machines; Vacuum pouches; Vacuum sealer

Vacuum packing         
Vacuum packing is a method of packaging that removes air from the package prior to sealing. This method involves placing items in a plastic film package, removing air from inside and sealing the package.
vacuum cleaner         
DEVICE THAT SUCKS UP DUST AND DIRT FROM FLOORS
Vacuum Cleaner; Vacuum cleaners; Vacuum Cleaners; Wet/dry vacuum; Hoovering; Vaccum cleaner; Dust sucker; Vacuumming; Vacuum cleaning; Vacuum sweeper; Vacuum belt; Vacuum filter; Vacuum Filter; Vacuum machine; Daniel Hess; Hoover Constellation; Shop vac; Shop-vac; Shop Vac; Shop-Vac; Shop vacuum; Shop vacuum cleaner; Vaccuum cleaner; Hoover (vacuum cleaner); Cyclonic vacuum cleaner; Vacuuming; Kruimeldief; Kruimeltjesdief
also vacuum-cleaner (vacuum cleaners)
A vacuum cleaner or a vacuum is an electric machine which sucks up dust and dirt from carpets.
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Vacuum engineering         
TECHNOLOGY TO LOWER GAS PRESSURES FOR VARIOUS TECHNICAL AND SCIENTIFIC PURPOSES
Vacuum equipment; Vacuum system
Vacuum engineering deals with technological processes and equipment that use vacuum to achieve better results than those run under atmospheric pressure. The most widespread applications of vacuum technology are:

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Vacuum packing

Vacuum packing is a method of packaging that removes air from the package prior to sealing. This method involves placing items in a plastic film package, removing air from inside and sealing the package. Shrink film is sometimes used to have a tight fit to the contents. The intent of vacuum packing is usually to remove oxygen from the container to extend the shelf life of foods and, with flexible package forms, to reduce the volume of the contents and package.

Vacuum packing reduces atmospheric oxygen, limiting the growth of aerobic bacteria or fungi, and 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 waste, for example where a charge is made for each full bag collected.

Vacuum packaging products, using plastic bags, canisters, bottles, or mason jars, are available for home use.

For delicate food items that might be crushed by the vacuum packing process (such as potato chips), an alternative is to replace the interior gas with nitrogen. This has the same effect of inhibiting deterioration due to the removal of oxygen.

Παραδείγματα από το σώμα κειμένου για vacuum seal
1. "One day I thought, wouldn‘t it be cool to have a vacuum seal, like a thermos," he says.