Although most bacteria are harmless or often beneficial, several are pathogenic. One of the bacterial diseases with the highest disease burden is tuberculosis, caused by the bacterium Mycobacterium tuberculosis, which kills about 2 million people a year, mostly in sub-Saharan Africa.athogenic bacteria contribute to other globally important diseases, such as pneumonia, which can be caused by bacteria such as Streptococcus and Pseudomonas, and foodborne illnesses, which can be caused by bacteria such as Shigella, Campylobacter, and Salmonella.
exists and is an alternate of . The brooms are used to sweep the ice in front of a sliding rock. The friction created from sweeping melts the ice just a tiny bit, enough to decrease the friction between the rock and the ice, making the rock both slide farther and slide straighter (curl less).
Angle Broom Features: â  Angle broom is available in one sizeand operates in two sweeping widths â2134 mm (84 in) in straight traveland 1702 mm (67 in) in angled travel.The BA18 operates on the machineâsstandard flow hydraulics for maximumperformance. Optional bolt-on hood extensionand rubber flap are available whenconditions or regulations require. 4 Utility Broom Features: â  Utility brooms are available intwo sweeping widths â the BU115:1510 mm (59 in), and BU118:1865 mm (73 in). Both units operateon the machineâs standard flowhydraulics for maximum performance.