m - HKU Libraries

3. Correctly thread the roving
through the flyer and around the
presser.
4. Clean gear end and off end of
speed frames efficiently within a
reasonable time.
5. Answer questions satisfactorily
on:
(a) The dangerous parts and
safety devices on a speed
frame.
(b) The names of the main
spindle parts of a speed
frame.
(c) The effect of imperfect cleaning
work on quality and
machinery.
(d) How to differentiate between
slivers and rovings of different
counts, and the detrimental
effect on quality of
allowing different slivers and
(e)
rovings to become mixed.
Why roving doffing should
be speedy and efficient.
(/) Why members of a doffer
team should co-operate.
(g) The importance of detecting
and removing dirty, two-fold
or irregular rovings.
(ti)
Why hard twisted piecings
are not allowed.
75