Kev Sib Zog: Lub tshuab nqus lub zog yog tus qauv ntawm lub Shore qhov kev sim, qhov nyuaj yuav yog 40 ~ 90 degrees, qhov lus pom zoo yog 70 degrees.
Txuj ci: Cov khoom siv ua kua roj vulcanized feem ntau yog ruaj khov ntawm -40 degrees txog 80 degrees. Tab sis kev siv cov ntaub ntawv zoo heev tuaj yeem ncav cuag -50 degrees txog 120 degrees.
