diff --git "a/materials/2018-04-20_Directual-\320\230\320\267\320\275\321\203\321\202\321\200\320\270-\320\270-\320\241\320\275\320\260\321\200\321\203\320\266\320\270_\320\220\321\200\321\202\320\265\320\274-\320\234\320\260\321\200\320\270\320\275\320\276\320\262_\320\222\320\260\321\201\320\270\320\273\320\270\320\271-\320\241\320\260\321\204\321\200\320\276\320\275\320\276\320\262.pdf" "b/materials/2018-04-20_Directual-\320\230\320\267\320\275\321\203\321\202\321\200\320\270-\320\270-\320\241\320\275\320\260\321\200\321\203\320\266\320\270_\320\220\321\200\321\202\320\265\320\274-\320\234\320\260\321\200\320\270\320\275\320\276\320\262_\320\222\320\260\321\201\320\270\320\273\320\270\320\271-\320\241\320\260\321\204\321\200\320\276\320\275\320\276\320\262.pdf"
new file mode 100644
index 0000000..31726b7
Binary files /dev/null and "b/materials/2018-04-20_Directual-\320\230\320\267\320\275\321\203\321\202\321\200\320\270-\320\270-\320\241\320\275\320\260\321\200\321\203\320\266\320\270_\320\220\321\200\321\202\320\265\320\274-\320\234\320\260\321\200\320\270\320\275\320\276\320\262_\320\222\320\260\321\201\320\270\320\273\320\270\320\271-\320\241\320\260\321\204\321\200\320\276\320\275\320\276\320\262.pdf" differ