1.By adding anti-oxidants.
2.Vacuum packing.
3.Flushing by nitrogen.
4.Refrigeration of the food-stuff.
techniques used to achieve each look and their effect
assessment techniques
What element is used in paint the skin to prevent infection
The element 'Iodine' can be used to paint the skin with to prevent infections.
They are used for paths and to hold moisture and prevent weeds.
I believe you are looking for "nitrogen".
nitrogen that works as antioxidant and prevent rancidity
surf in the internet
Today Most of the SEO companies are using Linkbuilding, gust posting, Quara answring, Press Release, Blog posting and generate new links for their sites to get more traffic on the site that's are some Latest techniques for my side those are used by the SEO.
To prevent the advertisements from convincing you to buy things you don't need
Rancidity
true
techniques used in masking cakes?
Three type of techniques used
Stamping and welding techniques are used.
traffic policing
Yes, aseptic techniques are used for all surgical procedures including needle biopsy so as to prevent infection