The mixture of oil and vinegar is used to prevent the growth of microorganisms that spoil the food. So vegetables and fruits are preserved in them so they can last for a longer time.
OILING PROCESS IS A METHOOD OF CONSERVETION OF FOOD
Oil and vinagrar proces can help to remove microorganisms that spoil food
WE CAN USE OILING PROCESS TO CONSERVATE FOOD LIKE: TUNA FISH
SARDINES OLIVE
ETC
TANKS FOR YOUR ATTENTION