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.
This add-on armor retains the vehicle's floating capability. More advanced add-on protection suits are based on hybrid modules, such as the IMI-RAFAEL L-VAS protection suite for the M-113 and LAV/Stryker APCs.