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So that practical clothing may be described conveniently by a range of small integers, the unit of thermal resistance, to be called the “tog”, is the resistance that will maintain a temperature difference of 0.1°C. with a flux of 1 watt per square metre, or in more practical terms, 10°C. with a flux of 1 watt per square decimetre.
The fill power of a down article can be restored by washing the article in a washing machine with or without detergent (mild) and dried in a home dryer. Tennis balls can be added to help fluff the down. Alternatively, the washing can be skipped and the down article can be placed in the dryer with a damp rag for 10–20 minutes.
UTQG ratings on sidewall of Toyo Tires Proxes R39 tire UTQG ratings (top) and tire code (bottom) on sidewall of Continental ContiProContact tire. Uniform Tire Quality Grading, commonly abbreviated as UTQG, is a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and traction.
The ABEC rating does not specify many critical factors, such as load handling capabilities, ball precision, materials, material Rockwell hardness, degree of ball and raceway (cone) polishing, noise, vibration, and lubricant. Due to these factors, a high-quality ABEC 3 classified bearing could actually perform better than a lower-quality bearing ...
It also developed the tog as an easy-to-follow measure of the thermal resistance of textiles, as an alternative to the SI unit of m 2 K/W. The BCRA merged with the British Rayon Research Association to form the Cotton, Silk, and Man-Made Fibres Research Association in 1961.
This enables the purchaser to select a duvet appropriate to the season: the higher the tog rating, the warmer the duvet. A few manufacturers have marketed combined duvet sets consisting of one 4.5 tog and one 9.0 tog. The light-weight one is for summer and the medium one for spring and autumn; snapped together, 13.5 togs is designed for winter.
The Official Table of Drops, formerly issued by the British Home Office, is a manual which is used to calculate the appropriate length of rope for long drop hangings. ...
Clothing insulation is the thermal insulation provided by clothing. [1] [2]Even if the main role of clothing is to protect from the cold, protective clothing also exists to protect from heat, such as for metallurgical workers or firemen.