angles beams blue-collar-workers builders building carpenters clothing concrete construction construction-work construction-workers dangerous dangers fabric footwear foreman form-work garment height high longyi lumber multi-storey multi-story roofer roofing safety scaffolding standards structure timber tools tradesmen unprotected wood wood-work wooden work workman abstract Asian background cloth color coloration colored colorful colors colour coloured colourful colours crease creased creases cultural culture decorated decorative ethnic fabrics fashion feel folds layered layers light lines material materials patterned patterns soft surface surfaces tactile textiles texture textured textures thin touch weave woven wrap-around brick-work Bricklayer burma Myanmar