Lin Sends Away for a Hot-Cold Serving Tray She Has

question 168

Essay

Lin sends away for a hot-cold serving tray she has seen advertised. The tray is promised to keep hot dishes hot and cold dishes cold without electricity. Lin tries it out by placing a pan of hot beans on it. They stay hot throughout dinner. "It works," she tells her husband.
What causal claim (if any) is stated or implied in Lin's conclusion?

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Definitions:

Needlenose Pliers

A type of pliers characterized by long, thin jaws which are used for bending, repositioning, or cutting in tight spaces.

Intricate Electrical

Pertaining to complex electrical systems or circuits that involve a detailed or elaborate arrangement of components.

Adjustable Pliers

Tools with a multipositional slip joint that permits a wide spread of jaw dimensions.

Teeth Per Inch

A measurement that indicates the number of teeth in a one-inch length of a saw blade or other cutting tool, determining its cutting capability and finish.