Rodrigo - "word of the day" Engineering + audio files

http://vocaroo.com/i/s01t5a5vy1Vp
http://vocaroo.com/i/s1DW58R30WhD
http://vocaroo.com/i/s1DnlRCazhkJ
http://vocaroo.com/i/s1HrXglPZEek
http://vocaroo.com/i/s1smEXTnh1E5

http://vocaroo.com/i/s0Su48bhsEZh

http://www.youtube.com/watch?v=vvH4MUaZ9SM

http://www.youtube.com/watch?v=m_I3AutfN8k

http://www.youtube.com/watch?v=hMpnlDuYIKc

http://www.youtube.com/watch?v=rkcd0_R7-hw

http://www.youtube.com/watch?v=W5ID6x_01xM


concrete concrete truck  concrete mixer truck construction site to spin cement gum to stick to mortar
bricks foundation to dig reinforcement traction steel bars to bend deep shallow to enlarge soil sink holes to lean vertical force/horizontal vertically horizontally diameters to put up to tear down grade
span  support point wide research develop excavation to dig the ground