apollo 77APOLLO 77 EJournal Lembaga Einstein College adalah jurnal akses terbuka yang mempublikasikan artikel ilmiah di bidang ilmu kimia dan pendidikan kimia.The Apollo 77-100 series two-piece in full port ball valve with actuator mounting pad is made of bronze and has a lever handle and female National Pipe Taper (NPT) threaded connections on both ends.