Oil container siluetti 9 months 2 Gas pipeline valve siluetti 11 months 0 Oil Drill siluetti 11 months 0 Olive siluetti 11 months 0 Oilrig siluetti about 1 year 0 Oil rig siluetti about 1 year 0 Oil rig siluetti about 1 year 2 Oil rig siluetti about 1 year 1 Oil rig siluetti 12 months 0 Oil Lantern siluetti about 1 year 0 Diwali Lamp siluetti about 1 year 1