Diagrams, animation and straight photography MJa 45b: Shows, by the use of animation, the course of the oil through the ... engine; describes how it lubricates each component part; and explains the working principle of the ventilation system . ... Construction and operation of diesel engine; early methods of making fire; construction and operation of four-stroke ... LA (AU PAYS DES ETANGS) (The Do m 28.
|Title||:||List of films and filmstrips on fisheries and related subjects|
|Author||:||Food and Agriculture Organization of the United Nations. Fisheries Division|