Iron Man by Black Sabbath Signature riff Guitar Tab

Ok ...... i was getting bored so i decided to add this ........ simple and good riff ...... For the part where there is a bending sound ..... and dere is a voice " I AM IRON MAN" ....... press the low E-string before the nut and release it to produce a bending sound ....... do this 2 tyms ........ 
After That ...........
There are just 2 finger power chords ....

e)--------------------------------------------------------|
B)--------------------------------------------------------|
G)--------------------------------------------------------|
D)------5--5/7--7--12-11-12-11-12-11--7-7--9-9------------|
A)--9---7--7/9--9--10-9--10-9--10-9---5-5--7-7------------|
E)--7-----------------------------------------------------|