8月 2019 博客文章 (12,540)

What started as a confrontation over a towel at a California water park led to a 40-person brawl that left almost one person dead.decathlon Microfiber beach suppliers

Police say the fight over the towel was between two families, with 15 to 20 members each, who were at Cal Expo’s Raging Waters on Sunday. When police arrived on scene to break it up, they found Christopher Neves, 35, unconscious and…

If you Google ‘entrance control’ and ‘access control’, the search engine returns pretty much the same results. However, there are some subtle, but important, differences between the two which need to be understood before you start shopping for a security system which prevents unauthorised pedestrian access.access control system using rfid



Access control is an incredibly broad term used to…

From enterprise-wide security management to small and mid-size access control, Linear offers a wide choice of Access Systems, giving you the freedom to design a solution that truly matches your needs. Regardless of the complexity of your environment, these Access Systems are easy to install and easy to use.



Scalable. Reliable. Intuitive. Every Linear Access System ensures that security personnel can easily access and respond effectively to events. The systems are designed to grow…

One of the problems with current battery technology is that the cells that make up a pack have a finite life. They can be charged and discharged hundreds and thousands of times, but eventually, they will cease to be able to take or hold a charge.cheap Lithium battery pack



It's this fact of life that has people concerned about early production electric vehicles like the Nissan Leaf, the oldest of…

Graphene, a sheet of carbon atoms bound together in a honeycomb lattice pattern, is hugely recognized as a “wonder material” due to the myriad of astonishing attributes it holds. It is a potent conductor of electrical and thermal energy, extremely lightweight chemically inert, and flexible with a large surface area. It is also considered eco-friendly and sustainable, with unlimited possibilities for numerous applications.…