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Emerging portable testing methods include X-ray fluorescence analysers for turmeric and handheld DNA kits to test olive oil.，更多细节参见wps
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When oil is expensive, it tends to make everyday items cost more. This can be related to energy (your heating, gas utilities, etc.), but it’s also due to the logistics involved with making those items accessible to you. Shipping, for example, can affect the price of things at the grocery store, as it’s more expensive to get those products from warehouses and farms onto the shelf.