composite slab with profiled steel sheeting
coupling beam with slab
face slab with intensive crack
floor slab with stair steps
floor-slab with crossing beams beneath
four-point supported slab with cantilever edges
shared-use slab with non-motorized vehicles and pedestrians
slab with slightly curved bottom
thick slab with simply support
two-way voided slab with paralleled circle-tube
a circular hole with two cracks
blasting hole with water
Broaching Spline Hole with Lathes