Ⅰ. INTRODUCTION
In fourth semester most of our department students attend the subject of mechanical manufacturing practice and we have made a bolt by ourselves. But the process was not a soft job. A bolt and nut is used diversely but it seemed that we don't know much about a importance and manufacture of bolts.
A bolt is a threaded fastener used in industry to make two or more mechanical
Crack형 저온균열
1) Quenching Crack형 저온균열의 특징
중.고탄소강이나 그 합금강을 용접하는 경우, 냉각 도중 약 100oC 전후에서 마르텐사이트 변태에 의한 균열이 발생하는 경우가 있다. 이것을 Quenching Crack형 저온 균열이라 한다. 이러한 균열의 특징은 다음과 같다.
- 수소와 무관하며 Quenching Crack과
the nude?
SEBASTIAN
I cracked the reversion.
Upon hearing this, Linda receives a jolt of adrenaline.
LINDA
You cracked it?
SEBASTIAN
Look at this.
Sebastian hits a couple of keys. A moment later the
molecular structure appears on Linda s computer.
SEBASTIAN
Watch this.
LINDA
You sure?
SEBASTIAN
91% sure.
LINDA
(astonished)
Eleven months with no progress and you
suddenly come up with it out of
length
mirror.
NARRATOR
At the age of 16, he graduated a
sub-lieutenant from the Royal
Military School in Paris, and was
posted to the crack regiment de la
Fere, at Valence.
EXT. FIRING RANGE - DAY
Artillery firing range. A hot summer morning. Napoleon
is part of a group of young officers loading and firing a
cannon.
NARRATOR
The practical professional training
that Napoleon would receive for the
cracked wall mirror. He moves to the mirror
and looks at himself. A line of blood runs across his face, from a
point between his eyes. he wipes it away, and notices a tiny pin-
prick wound on his forehead.
WALKERS P.O.V. PUSHES TOWARDS a circular window. The glass is
cracked, covered in grime. His hand wipes it, this only smears the
dirt, but the window is unlatched and swings open with a creak.