Mites Affecting Humans. âMiteâ is a term commonly used to refer to a group of insect-like organisms, some of which bite or cause irritation to humans. While some mites parasitize animals, including man, others are scavengers, some feed on plants, and many prey on insects and other arthropods.ites Affecting Humans. âMiteâ is a term commonly used to refer to a group of insect-like organisms, some of which bite or cause irritation to humans. While some mites parasitize animals, including man, others are scavengers, some feed on plants, and many prey on insects and other arthropods.
cog railway. n. A railway designed to operate on steep slopes and having a locomotive with a center cogwheel that engages with a cogged center rail to provide traction. Also called rack railway. cog railway. (ËkÉÉ¡ËweÉª) or.
A narrow-gauge railway is a railway with a track gauge narrower than the standard 1,435 mm. Most narrow-gauge railways are between 600 mm and 1,067 mm. Since narrow-gauge railways are usually built with smaller radius curves, smaller structure gauges and lighter rails, they can be less-costly to build, equip and operate than standard- or broad-gauge railways. Lower-cost narrow-gauge railways are often built to serve industries and communities where the traffic potential would not justify the cos