(1) Cov qauv yooj yim, me me thiab lub teeb yuag;
(2) Ib qho yooj yim rau nruab, yooj yim rau kev thauj mus los, siv sijhawm luv luv thiab lub sijhawm luv rau kev tau txais lub zog. ;
(3) Nws yog ib qho yooj yim rau siv, yooj yim los tswj, thiab tuaj yeem ua haujlwm ib txwm nyob rau hauv qhov kub thiab txias ntawm -50 degree ~ -65 degree ;
(4) Lub zog huv, kev nyab xeeb, tsis muaj suab nrov, xoom emission;
(5) Muaj kev nyab xeeb thiab txhim khu kev qha, tsis muaj suab nrov, tsis muaj kuab paug paug, huv huv (tsis muaj kuab paug);
(6) Nws tsis yog txwv los ntawm thaj chaw faib khoom, thiab qhov zoo ntawm lub tsev yuav siv tau; Piv txwv li, cov cheeb tsam uas tsis muaj hluav taws xob, thiab cov cheeb tsam uas muaj kev sib tshuam;
(7) Qhov ceev ntawm tus nqi txo yog ceev, thiab lub sij hawm them rov qab yuav luv luv;
(8) Nws tuaj yeem sib xyaw nrog lub roj teeb los tsim cov khoom siv hluav taws xob ywj pheej, lossis nws tuaj yeem txuas nrog lub phiaj xwm los tsim hluav taws xob.