DZ47-63 lub qhov hluav taws xob sib txuas ob lub qhov muaj ob qho tseem ceeb ntawm cov qauv. Ua ntej tshaj plaws, nws siv cov khoom siv PA uas tiv taus hluav taws, uas kaw sai thiab txhim kho kev nyab xeeb zoo. Qhov thib ob, cov khoom no feem ntau yog siv rau hauv cov chaw pej xeem xws li lub neej hauv tsev, cov koom haum ua lag luam, tsev so, khw loj, thiab lwm yam kom tau raws li qhov xav tau hloov hluav taws xob hauv ntau qhov xwm txheej sib txawv. Kev tsim qauv yog qhov tsim nyog, cov haujlwm muaj ntau yam, thiab ntau yam kev siv dav, muab rau cov neeg siv nrog kev siv yooj yim dua thiab muaj kev nyab xeeb dua.