Also, that elements used for upholstery filling apps must be cigarette resistant, even though covers has to be match resistant. Tester101Tester101 132k7979 gold badges324324 silver badges612612 bronze badges two What does one suggest liquid line and metering unit? Polyethylene can be a class of thermoplastic polymer. In its foam form https://class-1-insulation-rubber04826.blogitright.com/31196509/5-simple-techniques-for-class-1-insulation-rubber-foam