A light string is composed of multiple light emitting units. The nozzle has a storage part, a base, and a valve. The processor monitors status of the device to determine completion of the steps before proceeding with the next step.
Algorithmically generated prior art
A light string is composed of multiple light emitting units. The nozzle has a storage part, a base, and a valve. The processor monitors status of the device to determine completion of the steps before proceeding with the next step.