Q:When was the lock and the key invented?

We are now widely used in the ball lock, the United States is a small Nerus Yale invented in 1860. While the invention of the keys was later than the ancient Egyptians were the world's first to use the keys. Their lock is a wooden door bolt into a slot, the top of the groove there is a wooden bolt. When the plug is inserted into the groove, the wooden plug will be inserted into the hole of the bolt. In this way, the bolt will be very strong, you must use the key to open. As the Egyptian lock can only be used in the side of the door bolt is not conducive to the flexibility to open and close, so the Greeks on this basis, but also developed a lock from the other side can be opened. The keys made by the Greeks are a curved stick, shaped like a small sickle with a farmer. But there are some keys up to 3 feet, must be carried on the shoulders to move, quite heavy. The Romans can be said to be the most sophisticated locksmith of ancient times, and they have considerable research on the standard of making keys, and have learned that the nails at the end of the key are cut into various shapes.

Q:Key to insert the door lock is very strenuous, how to solve?

With a knife to the 2B pencil core scraped into fine powder, with a straw blowing into the door keyhole, insert a key to insert a circle, repeatedly eat, so that the pencil core powder choke the gap in the lock, ok. Do not pour any oil lubricant in the lock, then it seems to be effective at that time, but it is easy to stick the dust to make the lock more card.

Q:Because of their own time for the screen, may be hand careless to the screen, and later a look, iphone has been disabled, said to brush machine unlock, but the activation to ID, ID account and password are forgotten how to do ah? I invoice, and those things in the box, you can prove that the phone is mine, do not know to go after the sale can not solve? More

Directly through the approval in the unlocked. Too careless

Q:Ford Foley to the car how to lock, meaning how can not open the door in the car, and now my car press the lock, with the car handle free to open ...

Are you silly or foolish? The Can not you open the door in the car? If you have such a car, do you think it can be factory? In the driving position of the door is free to open, locked in the car, can only lock the rest of the three, you really do not want to open, you can drive the bit Cut the door

Q:I bought a Giant, worried that will be stolen, I hope you recommend a security and not easy to cut the hydraulic shear

There are three types of bicycle lock. Four locks: the most expensive, anti-hydraulic shear is relatively strong, very few to sell. U-type lock: the price mid-range, anti-hydraulic shear good, easy to carry. Chain: the price is right, anti-hydraulic shear is a bit poor, can be locked with other cars or fixtures.

Q:Satisfied Chi Jie u6 door lock was broken for how much money

Hello, you need to replace the whole car lock core, 700 or so, thank you for the support of the car master, I wish you a happy life [car problems, ask the car master. 4S shop professional technician, 10 minutes to solve. To

Q:How the new treasure to the door lock how to open

Hello, it is recommended to find the lock company, convenient, to produce your ID card or driver's license can be. [Car problems, ask the car master. 4S shop professional technician, 10 minutes to solve. To

Q:Peugeot 206 car control the door lock well, the key is good, the remote control can not be used, the control door lock door when the double flash light is not bright, open locksmith said the central locking door when the double flash Bright, electric repair is not good. Seeking expert guidance: Central locking door and open the door when the double flash light does not light the problem, whether with the remote control can not use more

Look at the remote control battery, 206 with a remote control lock door double flash light will be bright, open the door will quickly bright a few times. With the key to open the door is not bright.

Q:I know someone else's number and password, how to get rid of his password? (He bound the phone number, also opened the device lock)

When he took his cell phone, and then set it off the device lock, and then take his phone unbundled. Hope to adopt

Q:Car remote control keys can not lock the door can not open the lock is what the situation caused

Does the remote control have electricity? Is there any insurance for the anti-theft device? The main door lock gun is not broken