Word pairs

Some words in English are like ‘Siamese twins’ in that they tend to be used together.
We have selected the most common ones, please check it out:

work or school
cruel and unnecessary
positive and negative
kind and helpful
health and safety
black and white
national and international
male and female
manufacturing and agricultural
good and bad
fit and healthy
come and visit
furniture and equipment
time and money
technology and design
health and fitness
come and see
track and field
tennis and basketball