Simples.
A gives the orders, B,C and D carry out the orders, E makes the tea, F goes to fetch the biscuits plus two copies of the Sun and the Daily Sport. A,B,C D, E, and F all sit round together drinking tea, munching biscuits, read the Sun and ogle the massive boob jobs in the Daily Sport. Site manager comes round asking what the f**k is going on. A,B,C,D,E and F rinse out cups, grab trowels and spread plaster/cement here, there and everywhere. Thursday night, foreman comes round with pay packets. A,B,C D, E, and F go to the pub, get pissed. job done and everbody happy!