A mechanical spreader is prevalent. It is of 2 types – Drop and Rotary spreader. For both a hopper is filled with nutrients and the spreader is pushed on the lawn. The drop one has an aperture at the base of the hopper. The trigger is pulled to open the cover and the material moves through the aperture into the lawn. The area of lawn fertilized dur...
The antennas are the starting point of the broadcasting system. Antennas form the basic device for the working of radios and televisions. They are also used in areas like radar and space communication, under water operations and even for under ground tasks. However, it is necessary to check the functionality of the antennas on the basis of certain ...