be ▁sab ote urs ▁key ▁components ▁of ▁working ▁mach in ery ▁to ▁destroy . ▁" S ab ote urs ▁learned ▁hundreds ▁of ▁small ▁tr icks ▁to ▁cause ▁the ▁Germ ans ▁big ▁trouble . ▁The ▁c ables ▁in ▁a ▁tele phone ▁j unction ▁box   ... ▁could ▁be ▁j umbled ▁to ▁make ▁the ▁wrong ▁connections ▁when ▁numbers ▁were ▁dia led . ▁A ▁few ▁ oun ces ▁of ▁pl ast ique , ▁properly ▁placed , ▁could ▁bring ▁down ▁a ▁bridge , ▁cave ▁in ▁a ▁mine ▁sh aft , ▁or ▁collapse ▁the ▁roof ▁of ▁a ▁rail road ▁tunnel ." ▁ ▁The ▁Polish ▁Home ▁Army ▁Arm ia ▁K raj owa , ▁who ▁commanded ▁the ▁majority ▁of ▁resistance ▁organizations ▁in ▁Poland ▁( even ▁the ▁National ▁Forces , ▁except ▁the ▁Military ▁Organ ization ▁L izard ▁Union ; ▁The ▁Home ▁Army ▁also ▁included ▁the ▁Polish ▁Social ist ▁Party ▁– ▁Fre edom , ▁Equ ality , ▁Independ ence ) ▁and ▁coordin ating ▁and ▁a iding ▁the ▁Jewish ▁Military ▁Union ▁as ▁well ▁as ▁more ▁rel uct antly ▁helping ▁the ▁Jewish ▁Com bat ▁Organ ization , ▁was ▁responsible ▁for ▁the ▁greatest ▁number ▁of ▁acts ▁of ▁sab ot age ▁in ▁German — occup ied ▁Europe . ▁The ▁Home ▁Army ' s ▁sab ot age ▁operations ▁Operation ▁Gar land ▁and ▁Operation ▁Rib bon ▁are ▁just ▁two ▁examples . ▁In ▁all , ▁the ▁Home ▁Army ▁dam aged ▁ 6 , 9 3 0 ▁locomot ives , ▁set ▁ 4 4 3 ▁rail ▁trans ports ▁on ▁fire , ▁dam aged ▁over ▁ 1 9 , 0 0