MANUFACTURE FINALS: 1 Breaking down of materials by RUBBING
ACTION BETWEEN TWO SURFACES

2 The use of HEAVY ROLLERS TO CRUSH ang
PULVERIZE the materials

3 Involves the operation of HAMMERS OR BARS AT
HIGH SPEED; In here, they strike the lamps against
each other or against the wall of the chamber

Question

1 Breaking down of materials by RUBBING 
ACTION BETWEEN TWO SURFACES

2 The use of HEAVY ROLLERS TO CRUSH ang 
PULVERIZE the materials

3  Involves the operation of HAMMERS OR BARS AT 
HIGH SPEED; In here, they strike the lamps against 
each other or against the wall of the chamber

LEIGHTON DWIGHT OBILLOS · Accepted Answer

1 Attrition

2 Rolling

3 Impact

1 Breaking down of materials by RUBBING ACTION BETWEEN TWO SURFACES 2 The use of HEAVY ROLLERS TO CRUSH ang PULVERIZE the materials 3 Involves the operation of HAMMERS OR BARS AT HIGH SPEED; In here, they strike the lamps against each other or against the wall of the chamber