slenderness factorslenderness ratioslewing craneslickensideslideslide areaslide gateslide ruleslidingsliding bearingsliding caissonsliding doorsliding factorsliding formsliding formworksliding gatesliding jointsliding sashslightly sinuous canalslimeslime fluxslipslip bandslip circleslip circle methodslip flowslip formslip formworkslip jointslip planeslip roadslip surfaceslippageslippage crackslippingslipwayslit and tongueslopeslope area methodslope deflectionslope deflection equationslope deflection methodslope failureslope kerbslope of bankmentslope of cuttingslope of sewerslope of water surfaceslope scale ratioslope stability