The utility model relates to a speech alarming device for preventing myopia. The utility model is characterized in that the utility model is composed of a head hoop, a head hoop regulating sheet, a speech alarming device, and a waistband, wherein, a speech alarming device host machine ...
BOYS in Salford who are 'too cool for school' have the worstrecord in Greater Manchester for...Neal KeelingRob Grant
Robert Sherrill
The utility model relates to an alarming driving circuit, in particular to an alarming driving circuit in case of weakness of cellphone signals and lowness of electric quantity. The alarming driving circuit is composed of a logic gate circuit, an output end of the logic gate circuit is ...