TOPICS FOR SPEAKING
They are bored at an oblique angle
to the axis of the cylinder liner so as to give the scavenge air a rotary movement.
In the free part of the cylinder liner, between the cooling jacket and the cylinder
block, there are a number of bores with non-return valves for supply of lubricating
oil to the cylinder. On the working surface of the cylinder the bores are connected
with zigzagging lubricating grooves to ensure an even distribution of the oil.
Each cylinder block is fitted with a cylinder lubricator incorporating a number of
oil pumps. The number of the oil pumps corresponds to the number of lubricating
orifices in the cylinder liner.
VOCABULARY
pearlitic grey cast iron perliitne hallmalm
chromium plating kroomkate
internal surface sisepind
carry out teostama; täide viima
reduce vähendama; alandama ,
wear kulumine ,
corrosion orrosioon; roostetamine ,
flange äärik
thickness paksus
annaabi.ee 
