Yes: Influenza b virus is a respiratory virus spread by coughing, etc. The two main types of influenza occurring during flu season are influenza a and influenza b. Influenza b often causes more GI symptoms.
Excavators are vehicles that are used on construction sites to move material. 1  slide 1 of 2. Excavators: Also Known as Diggers and Backhoes An excavator uses hydraulics or a wire rope pulley system to dig holes or trenches and is, therefore, often called a digger. 2  slide 2 of 2. Examples of Excavators.
Equipment that is used for Drilling is also known as oilfield parts that can perform seismic surveys as well as shock waves that are created with the help of the following gears: 1  Compressed air guns that shoot pulses or columns of air into the water for explorations over the water.