roll sulfur — noun : sulfur in the form of rods or sticks made by casting molten sulfur * * * roll sulfur, a commercial form of sulfur made by melting sulfur and pouring it into cylindrical molds … Useful english dictionary
Ammonia — For other uses, see Ammonia (disambiguation). Ammonia … Wikipedia
Match — For other uses, see Match (disambiguation). An igniting match … Wikipedia
Incense — Burning incense Incense (from Latin: incendere, to burn )[1] is composed of aromatic biotic materials, which release fragrant smoke when burned. The term incense refers to the substance itself, rather than to the odor that it produces. It is used … Wikipedia
technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… … Universalium
Glow stick — 1. Plastic casing covers the inner fluid. 2. A glass capsule covers the solution. 3. Phenyl Oxalate and fluorescent dye solution. 4. Hydrogen Peroxide solution. 5. After the glass capsule is broken and the solutions mix, the glowstick glows. A… … Wikipedia
Early thermal weapons — were devices or substances used in warfare during the classical and medieval periods (approx 8th century BC until the mid 16th century AD) which used heat or burning action to destroy or damage enemy personnel, fortifications or territories.… … Wikipedia
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom … Universalium
Blacksmith — For other uses, see Blacksmith (disambiguation). Blacksmith A blacksmith at work Occupation … Wikipedia
