Raws li lub rooj zaum, 1689 yog ib qho kev sib haum xeeb uas haum rau hauv qhov chaw ntiag tug lossis pej xeem.Nws kuj yog tsim nyog raws li ib tug txaus nyiam nyob ib leeg, nrog nws cov yas weaving casting nthuav ntxoov ntxoo ntawm nws ib puag ncig.Ncej hmoov-coated tubular hlau.Lub rooj zaum thiab backrest ncej ua los ntawm cov yas molded, tsim yog Tus Ntsuj Plig rau lub rooj zaum yas.Muaj yeeb yuj xaiv rau koj xaiv.Lub rooj zaum no feem ntau siv sab hauv tsev, kuj tuaj yeem siv sab nraum zoov nrog cov khoom siv tsis-UV thiab sab nraum zoov hmoov txheej.Raws li saj zawg zog yog cov yam ntxwv ntawm PP yas, koj yuav pom tias nws xis nyob heev rau zaum.