The ACR "rifles" used smoothbore barrels to fire single or multiple flechette per round, rather than bullets, to provide long range, flat trajectory, and armor piercing abilities.
The pastille system is consisted of rotoformer and cooler. The rotofomer drop the liquid on the belt evenly and the drop solidified as the belt is moving forward continuously.
Kind of moisture expellable, smell preventive shoe is characterized by that the whole shoe liner is made into a form of gas pump which can expel the moist air out in the shoe.
It exhibits good wet handleability, is easily cut with scissors or a knife, can be applied directly to equipment with complex contours, and can also be used to fabricate flat sheets or boards.