1 Some underground gutter drains terminate in the sewer system instead of at the edge of your yard. 2  In that case, measure from the downspout to the nearest manhole, and use an auger line at least that long to ensure you're cleaning the entire pipe.
A T-72 tank layered with reactive armor bricks. Reactive armor is a type of vehicle armor that reacts in some way to the impact of a weapon to reduce the damage done to the vehicle being protected. It is most effective in protecting against shaped charges and specially hardened kinetic energy penetrators.
Sloped armour. Sloped armour is armour that is neither in a vertical nor a horizontal position. Such angled armour is often mounted on tanks and other armoured fighting vehicles (AFVs), as well as naval vessels such as battleships and cruisers.