... , pipeline, elbow, flange, valve, tie-in of pipeline, chemical reactor, equipment, air machine of fire power or nuclear power, instrument box ... the working temperature of the protecter and harm to the equipment, part, instrument.7.Note:1). undraw slowly along the peristome when ... , no crustily operate;2). Do not touch the ones with hook or sting to avoid the temperature holding cover(quilt) being ...