Is the cooling fan effective? What does ins mean

Hot: Is the chocolate keyboard easy to use What is the domain name of Taobao shop?, Does the baby drink goat milk powder? What's on the English composition for postgraduate entrance examination?, Is Shenzhen fun? What toys do dogs like best?, Does the baby drink goat milk powder? What is the domain name of Taobao shop?, Is Shenzhen fun? What's on the English composition for postgraduate entrance examination?, Is the chocolate keyboard easy to use What toys do dogs like best?, Is Shenzhen fun? What is the domain name of Taobao shop?, Is the chocolate keyboard easy to use What's on the English composition for postgraduate entrance examination?, Does the baby drink goat milk powder? What toys do dogs like best?.

Is the cooling fan effective? What does ins mean

Question Is the cooling fan effective? and What does ins mean