There are six different classes of fire extinguishers. Then, fire extinguisher type that used to distinguish each kind of fire has each different agent inside. The fire types based on

The human digestive tract inhabited by several types of microflora and E Coli is one of them. There are many strains of these bacteria, some are harmless, and some are

Salmonella bacteria cause infections zoonoses. This species of salmonella bacteria transmitted to human through food and water. Enteritis Salmonella causes diarrhea and crush immunity. The symptoms of salmonella poisoning result