Whenever any new invention is put forward, those for it and those against it can always find medical men to approve or condemn. The anti-railway group produced doctors who said that tunnels would be most erous to public health: they would produce colds, catarrhs(黏膜炎) and consumptions. ...
4->.: Medical machine / POS machine / Beauty & Health equipment / monitor / Fans. 5->.: Pump / toys / display / digital photo frame / Oven / other electronic products. Product Description Detailed Specifications: Input Voltage: 100-240V DC 50/60Hz 0.3A...