main - meas
- main
- main access
- main air pipes
- main air reservoir
- main air tank
- main annual inspection
- main assembly
- main assembly group
- main axle
- main balance beam
- main beam
- main bearing
- main bearing structure
- main blade
- main board
- main brake cylinder
- main bucket wheel gear unit
- main bull gear unit
- main circuit
- main circuit breaker
- main computer
- main conductors
- main contacts
- main control panel
- main control room
- main control switch
- main conveyor
- main cutting edge
- main cylinder
- main data
- main dimension
- main direction of stress
- main distribution frame
- main distributor
- main drive
- main drive shaft
- main dust collecting system
- main erection work
- main floor
- main form of the flanks
