Eletrical vs Manual Toothbrushes

toothbrush head, toothbrush, brush head

There are a couple of key differences that significantly separate an electrical toothbrush from its manual counterpart: Bristles – when manual toothbrushes feature hard, medium, or soft bristles with different heights and angles, electric toothbrushes go further by driving the bristle moving at a higher speed leading to more cleaning action. Customization – There are […]

Oximeter

Today, when the world is ravaged by the COVID-19, medical equipment has received unprecedented attention, and blood oxygen monitoring equipment related to it is more important than ever. In medicine, the blood oxygen level is a reflection of a person’s health, and blood oxygen saturation (SpO2) can reflect important parameters of the blood circulatory system […]

8 Chinese Cuisines System

Shandong Sichuan Guangdong Jiangsu Fujian Zhejiang Hunan Anhui Shandong The taste is mainly salty and fresh. Pay attention to the superb texture of the raw materials, use salt to extract freshness, use soup to strengthen freshness, and therefore the seasoning emphasizes salty freshness and purity, highlighting the original flavor. Xianxian is that the main ingredient […]