front back drilling capacity
51Petronas — For the Byzantine nobleman and general, see Petronas the Patrician. Not to be confused with the Brazilian oil company Petrobras. Petroliam Nasional Berhad (PETRONAS) Type Government owned corporation …
52Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …
53Frank Whittle — Infobox Person name = Frank Whittle image size = 300px caption = birth name = birth date = birth date|1907|6|1|df=y birth place = Earlsdon, Coventry, England. death date = death date and age|1996|8|9|1907|6|1|df=y death place = Columbia, Maryland …
54Paraguay — Paraguayan, adj., n. /par euh gwuy , gway /; Sp. /pah rddah gwuy /, n. 1. a republic in central South America between Bolivia, Brazil, and Argentina. 5,651,634; 157,047 sq. mi. (406,750 sq. km). Cap.: Asunción. 2. a river in central South America …
55Cyprus — This article is about the island sovereign state. For other uses, see Cyprus (disambiguation). Republic of Cyprus Κυπριακή Δημοκρατία (Greek) Kypriakí Dimokratía Kıbrıs Cumhuriyeti (Turkish) …
56Nagorno-Karabakh War — Nagorno Karabakh War …
57List of Historic Mechanical Engineering Landmarks — The following is a list of Historic Mechanical Engineering Landmarks as designated by the American Society of Mechanical Engineers since it began the program in 1971. The designation is granted to existing artifacts or systems representing a… …
58ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …
59New Orleans — The Big Easy and NOLA redirect here. For other uses, see The Big Easy (disambiguation) and NOLA (disambiguation). This article is about the city. For other uses, see New Orleans (disambiguation). City of New Orleans Ville de La Nou …
60Geotechnical engineering — [ Boston s Big Dig presented geotechnical challenges in an urban environment.] Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering includes investigating …
