1. Unable to start or no powerCause: Poor power connection, blown fuse, motherboard malfunction.Solution: Check that the power cord is properly plugge...
Read moreMedical disinfection cabinets are sterilization equipment used exclusively in medical institutions. They use physical or chemical methods to kill path...
Read moreMisconception 1: Using the air fryer without preheating Problem: Ingredients are unevenly heated, resulting in a burnt outside and a raw inside Correc...
Read moreAn oxygen concentrator is a medical device that physically extracts oxygen from the air, purifies it, and then supplies it for human breathing. The co...
Read more1. Is the plastic smell of the air fryer poisonous? Source of odor Normal situation: The heating element protects the oil (to prevent rust from tran...
Read more1. Signs of air purifier failure The filter is out of service, and the purification efficiency plummets Problem: Both HEPA filters and activated carbo...
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