Bearing and support structures of wood for concrete formwork panels, in particular formwork supports; [ and formwork anchors; ] roof and ceiling supports of wood; [ parts for roof and ceiling supports of wood, namely, roof and ceiling props and components thereof sold as a unit; ] framework shuttering in the nature of formwork panels and related formwork frames; ceiling supports, [ folding supports, folding legs for ceiling supports, scaffolding brackets, ] side extension supports, [ automati...