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. 2022 Sep 20;10:e13973. doi: 10.7717/peerj.13973

Table 1. Description of operations performed by workers in the wood processing industry.

Operations Description of the operation
Primary split This refers to the process of reducing whole logs through longitudinal cuts into smaller parts which can be boards, boards or rectangular or square pieces. The wood logs are moved by the log carriage to the main sawing machine, called a single vertical band saw. This operation normally involves three workers, one being responsible for operating the band saw and the other two for fixing the log in the log carrier, removing and disposing of the boards generated in the processing on a ramp that supplies the secondary split.
Secondary split This corresponds to the activity performed after the primary split, with the purpose of reducing the size or defining the final dimensioning of the wooden pieces.
Secondary stripping This is performed using circular saws, and aims to regularize the final length of the wooden pieces according to the standard for sale. This task is normally carried out by two workers, one being responsible for operating the circular saw and the other for removing the pieces of wood and placing them close to the site, where manual stacking/packing is later carried out by other workers.
Manual stacking This consists of forming piles of sawn wood, for which the pieces of each pile have the same dimensions. Two workers manually load the pieces, holding each one at one end, and deposit them in the place where the piles are being formed.