PPR cov kav dej feem ntau yog cov kav dej ncaj. Yog tias nws yuav tsum tau tig, nws yuav tsum tau txuas nrog. Vim yog qhov nruj ntawm kev sib koom ua ke thiab lwm yam laj thawj, PPR cov yeeb nkab dej sib txuas tuaj yeem xau. Yog tias koj ntsib cov dej xau ntawm qhov sib koom ua ke ntawm PPR cov yeeb nkab dej, koj tuaj yeem siv cov kua nplaum super los thaiv qhov chaw xau, tab sis koj yuav tsum xub ntws cov dej hauv cov yeeb nkab, thiab tos kom cov yeeb nkab kom qhuav ua ntej yuav lo. Yog tias nws yog PPR cov kav dej nrog cov xov, koj yuav tsum tau txiav cov xov tawg ua ntej, tom qab ntawd txuas cov kev sib koom ua ke zoo, thiab tom qab ntawd siv lub tshuab kub yaj los txuas ib sab ntawm PPR yeeb nkab. Yog hais tias nws yog ib tug ncaj welded PPR dej yeeb nkab tsis muaj ib tug ntsia hlau xov, koj yuav tsum tau txiav tawm ob sab thiab rov weld nrog ib tug sib koom ua ke. Cov teeb meem xav tau kev saib xyuas: Cov txheej txheem kub melting yuav tsum tau siv rau hauv kev kho mob, thiab tom qab ntawd cov dej yuav tsum tau ntxiv los kuaj xyuas seb puas tseem muaj cov dej ntws tawm. Nyob rau tib lub sijhawm, nws yuav tsum tau muab faus rau hauv av kom tsis txhob muaj teeb meem zoo sib xws rau yav tom ntej.
