2.Model testing study is made on prefabricated spiral V-notch blasting, and hydromatic method is used to simulate the quasi-static process in blasting of explosive.
17.After the second world war the vogue was for " system building" —assembling blocks of flats from prefabricated materials, often as cheaply as possible.
18.For only when we subject the " prefabricated set of interpretations" President Kennedy spoke of here at Yale to scrutiny, can we elevate our limitations into points of strength.
19.Thirty-three inch deep floors made of prefabricated steel trusses would act as supports to stiffen the outside walls against the buckling forces of the wind-load pressures.
20.These included his aerodynamic Dymaxion car, his prefabricated Wichita House and a new kind of self-supporting architecture based on what he called the " vector equilibrium" .