Fill in each blank with ONE suitable word.
performed timers were since started
Before the invention of electronic devices there (15) __________ plenty of mechanical entertainment devices.
Many of these were portable since they needed no electricity. For example, musical boxes have existed (16)
____________ the 1700s but it wasn’t until the 1820s when industrial production (17) __________ that they
became popular. There were many other automated mechanical devices created by artisans for the wealthy,
the 1850 ‘ pianola’ for instance. Prior to the introduction of mobile phones and MP3 players, people used to enjoy
listening, singing and dancing to the rhythm of those old machines. (18) ___________ arts such as juggling and
acrobatics, alongside newspapers, once was amongst the most favorable ways young people spent their leisure
time. Whenever I hear old (19) __________ complaining about the young using smartphones in public, I often
wonder what it used to be back in the old days, when the same timers were glued to the newspapers while
presumably, their elders looked on shaking their head.