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.
A compactor is a machine or mechanism used to reduce the size of material such as waste material or bio mass through compaction. A trash compactor is often used by a home or business to reduce the amount of trash. A baler-wrapper compactor is often used for making compact and wrapped bales in order to improve logistics.