Patrol guard system ndi mtundu wa njira zowongolera zolowera, zomwe zimagwiritsidwa ntchito pomanga, fakitale, nyumba zosungiramo katundu, zida zakumunda, mapaipi ndi mafakitale ena omwe ali ndi zofunikira pakulondera.Cholinga chogwiritsa ntchito makinawa ndikuthandiza eni ake kugwiritsa ntchito makinawa kuyang'anira ndi kuyang'anira p...
Werengani zambiri