That is, they felt they couldn't concentrate, and couldn't take in any more information. All hands go up. I then ask how many have had the experience, when they felt like that, of sitting down and writing a To Do list or list of things they have on their mind. All hands go up...
The TKT-560T test kits are inexpensive solutions for testing multimaode and single-mode systems. By joining the HW-3208 optical power meter and the HW-3209 optical light source,the TWTK550T is a great kit for beginners or networks,LAN, and Gigabit Ethernet.- Kit includes:- 1pcs---Han...