UESTION $4(6$ MARKS$)$Calculate the Road Usage Factor $($RUF$)$ value of the following abnormal load vehiclecombinations and determine the related escort and warning device requirements:$4\mathrm{.}140,2$ m long and $3,75$ m wide$4\mathrm{.}218,0$ m long and $2,6$ m wide and $4\mathrm{.}8$ m high