bridge assembly

hallo steemit friends all over the world I want to share a document about how to make the bridge assemblies that we peraktek for 6 days which took place we work from 7.30 wib to 12.00 wib we here make a bridge for the assembly of bridges charged only 20 with weight 70 kilogram because we design for peraktek not in putakan in field but in campus, here we make abutment because we get job.

@wakjhon