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A metal vessel used in oiling machinery.

Oil-can

A metal vessel used in oiling machinery.

A platform that is used to oil the wheels of a trolley car. When a wheel is in need of oil, it makes a chattering noise, which indicates the need for the trolley to stop in such a platform.

Trolley Platform

A platform that is used to oil the wheels of a trolley car. When a wheel is in need of oil, it makes…