If you need to use the. guidelines to cite sources, there are two formats you can use. The author-date format is often used in the physical, natural, and social sciences, while the note-bibliography format is more common in the humanities (literature, history, and the arts).
The BBCOR one-piece bats are made of composite or metal and they are one solid piece from the barrel to the handle. The two-piece bats have separate barrels and handles. The two-piece bats usually have different materials, with a composite handle and a metal or composite barrel.
Hoover's WindTunnel + Cyclonic bagless HEPA upright vacuum combines patented Hoover WindTunnel technology for best carpet cleaning performance, with the benefits of cyclonic technology, strong suction power and less filter maintenance. HEPA filtration traps 100% of dust mites, ragweed and common grass pollens.