gas lime
31Dashti County — شهرستان دشتی   County   Coordinates …
32Gisborne — /giz beuhrn/, n. a seaport on E North Island, in N New Zealand. 31,790. * * * ▪ New Zealand city (“district”) and port on Poverty Bay, east coast of North Island, New Zealand. The city is located where the Waimata and Taruheru rivers join… …
33steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
34Rebreather — A fully closed circuit electronic rebreather (Ambient Pressure Diving Inspiration) Acronym CCUBA (Closed Circuit Underwater Breathing Apparatus); CCR (Closed circuit rebreather), SCR (Semi closed rebreather) Uses Breathing set …
35industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
36environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
37building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
38List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
39amorphous solid — ▪ physics Introduction any noncrystalline solid in which the atoms and molecules are not organized in a definite lattice pattern. Such solids include glass, plastic, and gel. Solids and liquids (liquid) are both forms of condensed… …
40Calcium — (pronEng|ˈkælsiəm) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth s crust. Calcium is also …
