The cylinder will have threading the outside of the device, which is similar to the threads on a screw. In order to secure it, you will have to rotate the device so that it threads into the corresponding grooves on the lock body. Other than the rotation of the Lock Cylinder, there is nothing else that is fastening it to the lock body. Nothing will need to be done on the other side of the door. Once you have oriented the cylinder by screwing it in, the lock will function. Lock Door Cylinder,Round Door Cylinder Lock,Mortise Door Lock Cylinder ,Round Cylinder Door Lock ANDJA TRADING PET. LTD. , https://www.lock-cylinder.com
The invention provides a method and a device for collecting water samples in a scallop culture cage, and can collect the on-site water samples without disturbing the culture of the farm, so as to ensure the scientific and effective monitoring of the marine ecological environment; the assembly and disassembly of the collection device is simple; , Flexible and lightweight, fast operation, convenient sampling and use at the sea site, a wide range of applications.
"A collection method and device for water samples in scallop cages" was authorized by the national invention patent
Recently, a method and device for collecting water samples in a scallop rearing cage, invented by Zhang Jihong, a researcher of the Yellow Sea Institute of the Academy of Water Resources, was granted a national invention patent. The patent grant number is: ZL20081023853.8.