In Africa there is not the same incentive to automate or to create efficient work-flows. There are so many people looking for work.
I passed by these men working in the stream in Zomba (Malawi). They had already felled large gum trees (Eucalyptus) and were breaking the trunks down into small pieces; not small pieces, just smaller.
These pieces of timber were then taken up on land, propped up, lines are traced and then they manually, using the same technique of two workers on one saw, cut out planks from the smaller pieces of tree trunks.

A closer look:

The next stage, on land:
