These people use a knife all day every day... they will not put up with a heavy piece (unless it's a chopper).
这些人每天全天都使用一把刀,他们不使用重的刀(除非是一把斩骨刀)。
3
The test results indicated that straight knifechopper has higher chopping capacity, higher yield of small or fine particles and lower energy consumption than other two choppers.