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.
1 In a large pot of boiling water, blanch long beans for 2 minutes until slightly tender. 2  Allow to cool. 3  If you like your beans crunchy, skip the blanching. 4  In a large skillet over medium-high heat, add butter. 5  Add scallions, ginger and garlic.6  Mix together. In a large pot of boiling water, blanch long beans for 2 minutes until slightly tender. 2  Allow to cool. 3  If you like your beans crunchy, skip the blanching. 4  In a large skillet over medium-high heat, add butter. 5  Add scallions, ginger and garlic.