A sensor mounted on a tractor's Cover calculates fertilization tips then varies the amount of fertilizer spread. Graphic: Wikimedia Commons “As know-how progresses, An increasing number of sensors are going to be Outfitted with digital communications know-how,” comments Mark Langridge, director of product sales and advertising for packaging, food items, https://surveillance-services61694.designertoblog.com/65138594/surveillance-services-no-further-a-mystery