base period base personnel base piece base plan base plane base plate base plates base platform base point base points base polymer base port base portion base portions base position base powder base price base prices base product base products base project base prospectus base provides base rate base rates base region base remains base resin base right base right now base ring base runner base salaries base salary base scenario base section base security base sequence base sequences base set base settings base shall base sheet base sheets base shelf base ship base ships base should base side base site base size base so base software base solution base speed base stand base star base station base station can base station controller base station has base station system base station transceiver base stations base steel base stock base stocks base strip base structure base substrate base such base support base supports base surface base system base team base technology base temperature base terminal base that can base their decisions base to base base to explore base to form base to make base transceiver base transceiver station base transceiver stations base treatment base tunnel base type base unit base units base used base value base values base vehicle base version base wall