mixed with flame
61Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …
62Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
63environmental 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 …
64Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
65Color temperature — The CIE 1931 x,y chromaticity space, also showing the chromaticities of black body light sources of various temperatures (Planckian locus), and lines of constant correlated color temperature. Color temperature is a characteristic of visible light …
66Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
67Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… …
68Purwodadi Grobogan — is a town located in the south east of Semarang, the capital of Central Java, Indonesia. It is the capital of kabupaten/district of Grobogan. Purwodadi is famous for its frog leg food known as Swikee. It is also well known for delicate soya bean… …
69Dome Fire — Smoke from the Dome Fire dominated this view from Los Alamos National Laboratory. The Dome Fire was a destructive wildfire in the Jemez Mountains in the northern portion of the U.S. state of New Mexico. Devastating portions of the Santa Fe… …
70Recovery boiler — is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor. In the process lignin of the wood, bound in black liquor at this phase, is burned and heat generated. The heat is usually used… …
