what is an oil sheet
_____ ___ _____
___ _____ (___)_ __ ____ __ _____ __ ______ _ __ ______ ______ ____ _____ __ _______ ___ ____ __ __ ____ ______ _____ ____ __ ___ ___ ___ _____ ______(st12)_ ____ ___ (st13)_ ___ ___( st14)____ ____ __ ___.

____ ___ ____
________ ___ ___
____ ___ __ _______ __ ____ ____ ____ ___ ______ _____ _____ __ ____ __ ____ ___ __ __ ____ _______ __ ___ _____ __ ______ ____ __ _______ ________ _______ ___ _ ______ ___ ____ __ _____ _____ __. __ ____ __ __ ____ ______ __ _____ _____ _____ _________ _____ __ __ __ ___ ___ _____ ____ _____ ____ ______ _ _______ ______ ___ __ ___ _____ ___ __ ______ ____ _ __ _____ _______ ____. __ ___ ____ _____ _____ _____ _________ __ ____ _____ _ ______ __ ___ ___ __ ______ _____ ______ __ _____ _______ __ __ ___ ____ _____ ______ _____ _____ __.

__ ______ ____ ____ _ ______ ______ __ _____ _____ ____ ______ _ ____ ___ _ _____ _______ ___. ______ ____ __ __ ____ z ______ ____ ____ ____ ___ ____ __ __ ___ _____. ______ ___ ____ _ _______ __ ___ ____ ___ ___ _____ _____. __ ___ ___ ______ __ ______ __ _____ ________ _____ ____ ____ _ _____ ____ ___ ____ __ ___ ____ __ _____ ____ _______ ___. __ _______ ___ ____ __ ______ ____ __ _____ __ _____ __ _______ _____.
____ - ____

____ ____ __ ______ T ___ __ _____ ____ _______ __ ____ _ _______ ____ __ _____ __ ______ ___ ____ _____ ___ _ ______ _______ __ __ __ ____ ___ ____ ____ ___ ____ _ ____ _ ____ (____ ___ ___ __ _______ _____ ____ __ __ _____ _____ _____ _ ____ _____ ___ ___)_ _____ ______ ___ ___ ___ ____ __ _ _____ ____ __ ___ __ ___.
____ ____ __ ___ _____ _ ____ ___ __ ___ ___ __ __ ___ ______ ____ __ ______ _____ _ ______ _____ _____ __ ___ _ __ ___ _____ _ _____ ____ _____ __ ___. _____ ____ __ ___ ____ ___ 2 __ 7 ___ _ __ ___ ____ ___ 1 __ 100 _____ ___ ___.

1- _______ _______ _____ ____ _____ ___
2- ______ ______ _____ _____ ____ __ _____ ___ ______ ____ __ ___
3- ____ ____ _____ _____ __ ___ ___ ____ __ ____

____________ ______
_________ ______
__ ______ ____ ___ _____ _____ ______ _ _______ ____ __ ____ _______ ___ __ ____ ______ _____ __ ______ _____ ____ _ ___ ______ ____ _______ _ ____ ____ _____ ______ ___ ______ _______ ___ _____ __ ______ _____ _______ __ ___ ______ __ ___ __ ____ __ ____ ______ __ ___ ____ _____ ___ _____ __ _____ __ _____. .

______ _________ ___ __ __ _______ ____ _____ ____ __ _____ ___. _____ _ _________ ___ __ ____ __ ______ _____ __ __ ___ _______ _______ ____ __ ______ _____ __ ____ ____ ____ ____ ____ _____ ___. ___ __ ___ __ _______ __ _____ _____ ____ _______ ____ _____ _ ____ __ ___ ______ ____ __ ____ _____ ___ ___.

n_______ __ ____ _____ ____ ____ ____ ____ __ ______ _____ __ ___. __ _____ ____ _______ ____ __ _____ _______ ____ __ _______ _______ ____ __ _________ ______ ___. __ __ ____ __ __ _______ ____ __ ______ __ ___ ___ ____ ____ __ ______ _____ _______ ____ __ ____ _ ___ ____ ______ ______ _____ __ _______ ______ __ ____. _______ ____ _____ _ ______ ____ ___ _____ _ ____ __ ____ ____ __ __ ______ __ ____.

_____ _______ _______:

_______ _________
_______ ____
_______ _________
_______ __________
_______ _________
_______ ______ _____
_______ ____
_______ _________
___ ____
___ _______
___ _____ ______