nasa 4dProduk, Harga. pensil alis ajaib tahan air pensil alis nasa anti air Ayla 4d Eyebrow Aleena grey Pensil Alis Waterproof Orinal, Rp90.000.NASA Ames Research Center, Moffett Field, CA 94035 ... heavily on the exchange of 4D trajectory information to achieve hher levels of automation for conflict detection