... mirror defogging, invariable temperature tank, electronic-thermos, compressor, heater, thermos boxer plate, computer humidity-proofing, textiles and cloth ... dyer, foot warmer, water bed heater 3,Medical instruments: disinfection, keeping blood, injections and ... Test and research: crystal ovens, mechanically-heated structures, IC testers and flasks 5,Agriculture and animal husbandry: ...