Training and reaction time measuring appts. for karate - includes contact fields connected to electronic signalling and time measuring devices with continuous programming facilities
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Toothbrush with water container and spray nozzles - has concertina handle for application of manual force to pressurise water
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Pellet heating double shaft furnace - with vibratory pellet conveyor
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Temperature control - in a double shaft sintering furnace
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Pellet heating double shaft furnace - withtube flue gas feed into convection chamber
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Hardening flue dust and expanded clay by - sintering
