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48
Education and work experience in soil management, including sampling, fertility analysis, fertilizer reccomendation, and remediation
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50
Measure the health of a river or waterway based on the count and type of macro-invertebrates found in a water sample.
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227
Plumbing is any system that conveys fluids for a wide range of applications. Plumbing uses pipes, valves, plumbing fixtures, tanks, and other apparatuses to convey fluids.
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62
Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power […]
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303
Electrical Installation – wiring houses, farms and anything else to do with installing an electrical system.
