He spoke to the people at the assembly using a loudspeaker.

If you press this switch, the lights will turn on.

The hot water heater has broken, so we need to have it repaired.

I bought a new medical thermometer.

This meter is capable of accurate measurement.

This incubator is used to increase the survival rate of newborns.

I need to buy a new milking machine.

This drone is equipped with a high-performance stabilizer.

The circuit breaker tripped and the electricity stopped.