Mass-produced and Sit around

Mass-produced adjective - Made beforehand in large numbers.

Sit around and mass-produced are semantically related. In some cases you can use "Sit around" instead a verb phrase "Mass-produced".

Sit around verb - Be around, often idly or without specific purpose.

Mass-produced and sit around are semantically related. Sometimes you can use "Mass-produced" instead a verb "Sit around".