infrastructure /inˈfrə-struk-chər/

1. Inner structure, structure of component parts
2. A system of communications and services as backing for military, commercial, etc operations

• oil platform
• oil platforms
• oil press
• oil presses
• oil-rich
• oil rig
• oil rigs
• oils
• oil sand
• oilseed
• oilseed rape
• oilseeds
• oil shale
• oil silk
• oilskin
• oilskins
• oil slick
• oil slicks
• oil someone's palm
• oilstone
• oilstones
• oil string
• oil tanker
• oil tankers
• oil the wheels