spar production platform(–named for logs used as buoys in shipping and moored in place vertically, is a type of floating oil platform typically used in very deep waters – an alternative to conventional platforms MichaelBurov)
spar production platform(–named for logs used as buoys in shipping and moored in place vertically, is a type of floating oil platform typically used in very deep waters – an alternative to conventional platforms MichaelBurov)