… Optical fibres are usually presented on reels and may be several kilometers in length. They are used to make optical … , i.e., glass mirrors not optically worked. Simple plane or even curved mirrors (e.g., shaving mirrors and mirrors for …
… bacteria, moulds, etc.). These products, which may contain several enzymes in various proportions, can be standardised … solutions are either concentrated by low temperature vacuum evaporation or the enzymes are precipitated by the addition …
… of animal or vegetable waxes. The following are, however, excluded : (a) Pig fat, free of lean meat, and … e.g., rancid, sour, pungent, bitter. It should be noted, however, that Note 3 to this Chapter does not apply to …
… metal (81.04). Manganese....... Mn 25 Base metal (81.11). Mendelevium... Md 101 Radioactive element (28.44). … at 0 °C), corrosive, reddish or dark brown liquid which, even when cold, gives off suffocating red fumes irritating …
