Zinc is a metal that is normally found in small amounts in nature. It is used in many commercial industries and can be released into the environment during mining and smelting (metal processing) activities. People living near smelters or industries using zinc could be exposed to higher levels of zinc by drinking water, breathing air and touching soil that contains the metal.
Step 3: Blanch the green beans. 1  Bring a large pot of water to boiling. Allow 1 gallon of water per pound of green beans. 2  Fill a large bowl with ice water. 3  Working in batches, carefully lower the green beans into the boiling water.  Boil small beans for 2 minutes, medium beans for 3 minutes, and large beans for 4 minutes.
Snap the stem ends of green beans, or cut them off in a big bunch with a knife if youâd like. Just donât tell Granny. Melt bacon grease in a skillet over medium low heat. Add garlic and onions and cook for a minute. Then add green beans and cook for a minute until beans turn bright green.