AFCI stands for arc-fault circuit-interrupter. An arc fault is a type of short circuit created by a hot conductor touching a neutral or ground conductor, or by electricity arching (jumping) across loose or broken connections. Arc faults result in extreme heat that can quickly start a fire. ...
3.What does th underlined part”walkie-talkies” in the last paragraph probably refer to? A. A kind of transportation tool B.A kind of musical instrument C.A kind of CDplayer D.A kind of phone 4.How many types of things does the author advise us to pack for day trips to a theme ...
B.wearing wet socks in a theme park will bring children much fun C.it is terrible to have a taste of the food offered in a theme park. D. we’d better bring enough food, clothing and water when going to a theme park 3.What does th underlined part”walkie-talkies” in the last pa...
B.wearing wet socks in a theme park will bring children much fun C.it is terrible to have a taste of the food offered in a theme park. D. we’d better bring enough food, clothing and water when going to a theme park 3.What does th underlined part”walkie-talkies” in the last pa...
B.wearing wet socks in a theme park will bring children much fun C.it is terrible to have a taste of the food offered in a theme park. D. we’d better bring enough food, clothing and water when going to a theme park 3.What does th underlined part”walkie-talkies” in the last pa...