The types of Rigging
The ability to safely move materials from one location to another is a vital part of many activities at Princeton. Hoists are often used when materials are too heavy or bulky to be safely moved manually. Because hoists rely upon slings to hold their suspended loads, slings are the most commonly used materials-handling apparatus.
The sections below serve as a guideline when hoisting or rigging at Princeton University.
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The current smart home market is a start-up market. Therefore, some new products that are counterfeit and counterfeit are also normal. In order to enable consumers to better understand smart locks and purchase smart locks that suit them, I have personally done the following analysis on how to purchase a suitable smart lock:
1, smart lock: high value, we must choose the "lock and door designed with the product"
A good lock is very important, at least he can play the finishing touch. Since the smart lock is a durable product for home security, he is not a product that can be used independently. He must be installed in a variety of doors to use it together. Therefore, it is not a problem to lock or look good. It is installed after the door. Good-looking, more tasteful questions. An excellent lock designer, he is definitely not designed for the lock, but designed for the harmony of the door and the lock, the design of the door lock and home harmony.
2, smart lock: no APP non-intelligent, no cloud no convenience.
The successful development of the unlocking of the Internet and APP phones has enabled the smart locks to reach a very high level of intelligence. The locks without unlocking the APP are not smart locks. The fingerprint lock, sensor lock, and password lock on the market are no longer smart enough to talk about. In other words, the era of traditional fingerprint locks, sensor locks, and password locks is over. We began to enter: the era of wireless Internet technology, smart encryption and decryption technology, and cloud technology cross-border. All operations are as easy as opening the app of the mobile phone. The emergence of the cloud key makes it easy to solve all the distance problems that cannot be solved by traditional locks.
3, smart lock: a new standard of security: that is, anti-villain, but also anti-gentleman smart encryption and decryption system will make the security more secure, so that safe operation is simpler, you can prevent the hackers decode (anti-Gentleman). Mechanical anti-theft can prevent defensive, tamper, anti-twist and other destructive opening (anti-personal).
4, smart lock: adaptable, signals from the environment.
No matter how good a mobile phone or smart lock is, no signal can be received. It becomes junk. Smart lock products are relatively complex due to the installation environment, the impact of the environment will be great, such as the docking of wireless signals, other signal interference, signal shielding and so on. Will directly affect the use of locks. Therefore, an excellent intelligent door lock, whether mounted on wooden doors, steel doors, or steel doors, will not be affected. The performance of the smart door locks is excellent both inside and outside the house, near the door, or at the far door or corner.
5, smart door locks: the price is right, do not become local tyrants.
Nowadays, some traditional smart locks in the market, especially some so-called smart brands, including foreign brands, have thousands of ordinary fingerprints for thousands of yuan in price, many thousands of thousands of dollars in price, tens of thousands of dollars in prices, and big sales on the Internet. Today's thinking on the Internet has become a joke of local tyrants. The lock of a few thousand dollars is itself a funeral of the Internet era. An advanced smart lock of about 1,000 yuan is already remarkable. With the increasing popularity of Internet technology, this price will continue to decline because the Internet's thinking has squeezed all the water.
6, smart lock: perfect service is very important Smart lock service costs are relatively high, the election service is sometimes more important than the election lock. It is very important to improve the service network. No matter what kind of smart locks and service capabilities are available, without perfect networks, services are difficult to achieve. Smart locks using the Internet's thinking mode can still be opened, because your good evaluation is his most important pursuit.
7, smart lock: Do not forget the feelings of the elderly children do not know when to begin, smart products have become a young man's patent. You have to understand: Smart locks are a homeware. Taking care of each member's experience can make the home more harmonious. Looking at the current smart lock, it is rare to see products that can be designed for children for the elderly.
8, smart door locks: What you want is not a function, it is necessary to love the depths of humanity. You know that smart lock designers are trying to design his features, but he completely ignored the design of smart lock heart: "human care" The care of each member of the family. There is a brand of smart lock selling point is: "I have anti-lock function, such as the husband to soak the primary three, anti-lock one, can not enter, the next afraid," so claiming to have anti-old bubble small three functions. Once a child was at home, he accidentally put the lock on. When the mother came back, he couldn't open it. Finally, he called 110 to cut off the lock of a few thousand dollars. You can think about it: If there is a fire, an alarm, or an emergency in the home, the result can be imagined. It's terrible.
Buying a smart lock is easy, you can buy a smart lock that is suitable for your family, suitable for each member, you still need to do more homework.
Eight Golden Rules for Buying Smart Door Locks
How to choose a smart door lock that you really need in the smart home era? This is a question that you have to consider. You may tell me: "Safe, good-looking, easy-to-use, good-service, and cost-effective are what I want." This may be a common standard for every consumer, when you go online or go to the market At the time, you have no way to start, or want to return if you do not want it.
Slings, chokers, shackles and hoists are are available in many different materials and styles. Slings are commonly used in combination with a lifting device, such as an overhead crane, hoist, or forklift. The four main types of slings are: