An employer may not employ pregnant woman to work during the hours of 10:00 PM to 6: AM, work overtime and holidays and perform any of the following:
Work involving machinery or motors which vibrate.
Work involving being in a moving machine or moving with vehicles.
Work involving lifting, carrying, pulling, or pushing, which exceeds a weight of 50 kilograms.
Working in ships or boats.
Any other work as prescribed in regulations.