A. When thundering, the first thing to do is to close the doors and windows to prevent the lightning from directly hitting the room or preventing the spherical thunder from floating into the room.
B. The metal water pipe and the sewer pipe connected to the roof should also be left indoors.
C. During thunderstorms, try not to make or receive calls, or use the phone to surf the Internet. Unplug the power supply, telephone lines, and TV feeders, which may lead to the introduction of lightning. The safe and scientific way is to install power surge arrester on the power line, install the telephone arrester on the telephone line, install the antenna feeder arrester on the antenna feeder line and make a good ground.
D. Keep the house dry. When the house leaks, it should be repaired in time.
E. The iron leg of the power cable of the household should be grounded, and the ground wire should be connected to the three-phase socket.
F. Do not pull the wire used to dry clothes, bedding, etc. to windows or doorways to prevent the wire from causing lightning to cause death.
G. Don't stay in the isolated pavilion, grass shed and house for long time, avoid the wires, do not stand under the light bulb, it is best to cut off the electricity or do not use electrical appliances.
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Drilling screw is also very strong hardness, compared to the ordinary screw up, not only to maintain the ability is good, the connection object effect is also very strong, for the performance of the screw, are generally does not need auxiliary processing, can be directly on the object directly drill a Kong Sue into objects, not just use rise very convenient, Also can greatly improve the efficiency of work. This kind of drilling screw can be said to be the first choice of workers in various fields.
So what is the use of drilling screws?
1 stainless steel plate, metal plate, galvanized steel plate, engineering installation.
2 metal curtain wall metal light compartment and other indoor and outdoor installation.
General Angle steel, channel steel, iron plate and other metal materials combined installation.
4, automobile, container, shipbuilding, refrigeration equipment and other assembly projects.
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