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.
Hard body armor is designed to repel much powerful ammunitions. This type of ballistic vest contains hard armor plates which are inserted in the pockets of soft body armor. This is basically the primary difference between a level 3 and level 3A body armor. Level 3A belongs to the soft bullet resistant vest while level 3 are hard armors. Hard plates require the conjunction of soft ballistic vests to be considered as hard body armor.