roller-bit drilling
41Splitting maul — Woodsplitting maul Other names Wood maul Wood mall Block Buster (Typically used throughout Australia and New Zealand) Classification Hand tool Related Sledge hammer …
42Hughes Tool Company — was established in 1909 as Sharp Hughes Tool Company when Howard R. Hughes, Sr. patented a roller cutter bit that dramatically improved the rotary drilling process for oil drilling rigs. He partnered with longtime business associate Walter Benona …
43Sago Mine disaster — wikinewshas|three articles on the accident * * *The Sago Mine disaster was a coal mine explosion on January 2, 2006, in the Sago Mine (pronEng|ˈseɪgoʊ) in Sago, West Virginia, USA near the Upshur County seat of Buckhannon. The blast and ensuing… …
44List of Canada's Worst Handyman episodes — This is a list of episodes for the first season of the Canadian television series Canada s Worst Handyman , where the worst contestant, as determined by 25 challenges over 12 days, is given the dubious title. Format Each of the first five… …
45List of Mr. Bean episodes — This is an episode guide for the television series Mr. Bean, starring Rowan Atkinson, which ran between 1 January 1990 and 15 November 1995. Contents 1 Mr. Bean 2 The Return of Mr. Bean 3 The Curse of Mr. Bean …
46May 2005 — was the fifth month of that year. It began on a Sunday and ended after 31 days, on a Tuesday. May 2005: ← – January – February – March – April – May – June – July – August – September –… …
47List of Baywatch episodes — Below is a list of all the episodes from Baywatch (1989–2001) Contents 1 Season 1 (1989 1990) on NBC 2 Season 2 (1991 1992) in syndication 3 Season 3 (1992 1993) 4 …
48List of characters in Transformers (film series) — The following is a list of characters featured in the Transformers film series, directed by Michael Bay and distributed by Paramount Pictures. Contents 1 Humans 1.1 Sam Witwicky 1.2 Mikaela Banes 1.3 …
49Aqua Teen Hunger Force (season 1) — Aqua Teen Hunger Force Season 1 Volume One DVD cover, which features episodes 1 16 from season one Country of origin …
50M1 Garand — Rifle, Caliber .30, M1 M1 Garand with en bloc clips. Type Semi automatic rifle Place of origin …
