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A properly operating thermocouple connected to a solenoid in a gas valve should put out 20 to 30 millivolts.
Expenses
Outflow of money to another person or company to pay for an item or service, or for a category within the income statement.
Costs
The total amount of money required for the production of goods or services, including materials, labor, and overhead expenses.
Prime Costs
The direct costs of manufacturing, including direct labor and materials.
Direct Labour
The work done by employees directly involved in producing a product or delivering a service, often considered a variable cost.
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