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Home Q & A Board Humanities Art and Culture Travel and Tourism
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HOTmike HOTmike
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6 years ago
Water is "softened" by:

a.   replacing hardness-causing minerals with sodium.

b.   adding calcium and magnesium to the water.

c.   heating it.

d.   adding low levels of manganese and iron to the water.
Textbook 
Hospitality Facilities Management and Design

Hospitality Facilities Management and Design


Edition: 4th
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EleglinEleglin
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6 years ago
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HOTmike Author
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6 years ago
Ty
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6 years ago
My pleasure
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