Hillhead 2012
19 - 21 June 2012
International live demonstration show for the quarrying, recycling and heavy construction industries at Hillhead Quarry, Buxton, UK.
refraction
Change of direction of a wave when it travels from one medium to another.
19 - 21 June 2012
International live demonstration show for the quarrying, recycling and heavy construction industries at Hillhead Quarry, Buxton, UK.
Change of direction of a wave when it travels from one medium to another.
The monthly journal for the quarry products industry.