Flexible Rubber Bowls Are Used to Mix Which Material(s)

question 1

Multiple Choice

Flexible rubber bowls are used to mix which material(s) ?

• A)Powder and liquid, such as irreversible hydrocolloid (alginate)
• B)Plaster or stone for pouring up models
• C)Reversible hydrocolloid
• D)Polyvinylsiloxane
• E)A and B are both correct.

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Low-wage Workers

Individuals employed in positions that pay less than the average wage, often without benefits and job security.

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