Source: http://www.nfb.ca.1978, Al Sens, National Film Board of Canada. License: All Rights Reserved.

"The rainforests on Canada's West Coast produce large trees. Falling these trees manually is time consuming and hard work. So over the years, inventive loggers tried to build a machine that would do the job." — Opening narrative, Univers45 and the title of the one-minute short in Univers 55, was used for almost all of them.

"By the way, do not turn your back on a fallen tree."

Source: http://www.nfb.ca.1978, Al Sens, National Film Board of Canada. License: All Rights Reserved.