Crossword Clue:

CRITH a small unit of mass

Answer	Crossword Clue
FROTHS	Forms a mass of small bubbles
BUS	Unit of mass transit
GRAM	Metric unit of mass

KILO	Unit of mass, briefly
SLUG	Foot-pound-second unit of mass
CARAT	Mass unit
GRAM	Mass unit
TROLLEYCAR	Mass transit unit
KILO	SI mass unit
GRAM	Metric mass unit
BUSLOAD	Mass transit unit

WAVE	Mass-movement unit
KILO	Metric mass unit
TRAM	Mass transit unit
GIGAWATT	Mass power generation unit