… (sometimes acidulated) from the vegetable material (wood, barks, leaves, fruits, roots, etc.) previously ground or … (gallotannic acid). Other tannins include oak bark tannin (quercitannic acid), chestnut wood tannin …
… of different degrees of translucency, may have their edges worked or grooved, and may be patterned, wired or combined … not exceeding 0.5 (hence its use as a substitute for cork), and is easily drilled, sawn, filed, etc. It is a …
… means of coke and a flux. In this manner “bullion lead” or “work lead” is obtained; this contains a number of … is very malleable, easily melted and very soft (it can be marked easily with the thumb nail). It resists the action of …
… used on outdoor cables, e.g., in telecommunications, power networks, electrical traction systems (railway, tramway, … suspension insulators . These are used mainly on outdoor networks, and consist of several insulating elements. The …
… oils of which may previously have been hydrogenated, may be worked by emulsification (e.g., with skimmed milk), … thereof), whether or not hydrogenated, which have been worked by emulsification, churning, texturation, etc. The …
… can be designed for a variety of uses, such as housing, worksite accommodation, offices, schools, shops, sheds, … buildings, such as those used as street kiosks or worksite offices, which have been built using steel shipping …
… of : (1) Waste and scrap from the manufacture or mechanical working of iron or steel (e.g., crop ends, filings and … as metal. Thus, it excludes , for example, structural steelwork usable after renewal of worn‑out parts; worn …
… “chemically toughened glass”). This glass cannot be worked after manufacture because of the internal stresses … in ships’ portholes, in protective goggles for industrial workers or drivers, and for eyepieces for gas masks or …