Lus piav qhia luv luv:

Lub cua sov phaj ntawm lubphau ntawv kub xovxwm tshuabsiv tshwj xeeb leej windingtube txheej txheem, tuaj yeem lav qhov kub thiab ruaj khov. Qhov kub thiab lub sij hawm yog tag nrho tswj los ntawm hluav taws xob, lub teeb liab qhia tau yooj yim siv. Qhov saum npoo ntawm cov phaj cua sov tuaj yeem dais qhov kub thiab txias; du nto thiab siab zog, zoo kub nias nyhuv, thiab yooj yim los ntxuav. Kauv siab tsim ntawm lubKev Taw Qhia Thaum tshav kub kub hloov Sublimation tshuab luam ntawvtuaj yeem kho raws li qhov xav tau ua haujlwm siab randomly. Qhov saum npoo ntawm cov phaj hauv qab yuav raug teeb tsa nrog cov resistant kub silica roj hmab phaj, uas ua rau tag nrho lub plawv hloov cov khoom ntau prefect.