Stamping yog ib qho kev ua hlau zoo tshaj plaws uas muaj cov nram qab no zoo dua piv rau lwm txoj kev ua haujlwm (xws li kev ua haujlwm).
(1) Lwm txoj kev ua tsis tau lossis tsis yooj yim
Tej yam xws li tsheb npog, qhov rooj, thiab lwm yam.
(2) Raws li qhov dav qhov tseeb yog tsuas yog lav los ntawm pwm,
Cov machined qhov chaw muaj kev ruaj khov zoo, zoo sib xws, thiab muaj "tus qauv
Tib yam ntxwv.
(3) Siv cov khoom siv loj, qib qes, tsis ua-ua haujlwm.
(4) Cov ntaub ntawv pov thawj ntawm cov khoom siv hlau siv tau los txhim kho lub tshuab ua haujlwm
Lub zog thiab kev nruj.
(5) Siv ntau npaum li cas, haujlwm yooj yim, thiab siv tau yooj yim
Nqis.
(6) Ntev pwm ntev thiab tsis tshua muaj tsim nqi.
Vim hais tias muaj cov yam ntxwv saum toj no, kev siv cov thwj cim yog siv hauv tsheb, tsheb laij teb, tsheb, hluav taws xob, twj, thiab cov aircraft, tiv thaiv, thiab kev lag luam txhua hnub. Piv txwv, muaj kev sib koom ua ke muaj 1 613 qhov chaw, xws li 1 023 stampings, accounting rau 63. 4 cables; 56 stampings tawm ntawm 120 qhov chaw ntawm ib rab phom, thiab 46 rau 7.
