Show SHOCK actual normal continuous use lk li the only real test of anything in eluding roads an automobile dinoto stood all tho tests in the expert men tal eat category yol yet in actual use i a small but important fault developed and cost to rectify it is a known tact fact centuries ago that any substance such as stone will eventis ally crumble under sustained pound ing there is no elasticity to the shock this is being ll lustrate illustrate i today in our experiment in roat building unyielding surfaces un 1111 ablo able to absorb the shock of traill soon crumble whery tt u cushion oi 01 elastic road surface or vase case will in b unaffected by the same traffic taking the shock off from th UK road base or surface Is as important Im to long life for highways as Ista IsAak kinf lil the shock away from automobile machinery by use of pneumatic alra and 1 advance type of spring construe elan and shock in these days dayi ahem in ili public expense Is uni tested and scientific j a 0 road construction should ue be insi ilik upon in ili order to pr prevent everit heavy losse to taxpayers |