**8. Prior ergonomic interventions in drywall installation that was discussed with the installers**

As mentioned earlier, the idea of having the focus groups was to engage the workers to brainstorming sessions in order to find out a solution to their concerns of ceiling/sidewall installation. Some of the ideas that the facilitator of those focus groups brought to the discussion are as follows:


The idea of engaging workers in these focus groups were to receive suggestions from them is a useful way to find a solution for a reduction in exposure(s) [10, 11]. These groups gave the workers an opportunity to speak on their work concerns, to collectively discuss advantages or disadvantages of tools and techniques, and to brainstorm solutions to problems.
