Steady Work Workout

Working for 40 Mins ( 8 intervals 4/4)
4 on 1 off:
A. 100 single unders
20 shoulder Press 20/15kg
15 bicep curls 20/15kg
Rest 1 Min
B. Row 500m
40m walking lunges
15/15 side bends (KB in one hand)
Rest 1 Min

This should be a steady 6/10 effort