All appliances must be equipped with a service aperture or process stub which is used when adding or removing refrigerant from the appliance. what is typically used on small appliances?

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?

Which of the following best describes the circuit shown below?