drilling from solid
11Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
12Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
13Hazardous waste in the United States — Under United States environmental policy, a hazardous waste is a waste (usually a solid waste) that has the potential to:*cause, or significantly contribute to an increase in mortality or an increase in serious irreversible, or incapacitating… …
14rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …
15Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …
16Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …
17Great Belt Fixed Link — Infobox Bridge bridge name = The Great Belt Bridge (The East Bridge) caption = The East Bridge as seen from the Zealand side. official name = Østbroen carries = Motor vehicles crosses = Great Belt locale = maint = A/S Storebælt id = designer =… …
18Minot's Ledge Light — Minots Ledge Light Minots Light in a storm Location Offshore Cohasset, Massachusetts Year first constructed 1850 (first tower) Year first lit 1860 (current tower) Automated 1947 Deactivated 1851 1860 Foundation …
19wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …
20Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …
