Yes, it has to make the invisible fence work optimally. However, you should also look for other variables when making the complete loop. The first thing to consider isfinding the underground utilities, marking them, and determining how to install and place the wiring system correctly. If not,...
firefighting facilities fail and fire breaks out in Zone I. For large public spaces, the overall spread speed of fire is fast, which requires the use of the fire control system in time to control the spread of fire. Fortunately, the space of evacuation time is relatively sufficient; it ...