Nasa's new students keep making unexpected appearances in his life, and Aya lets her imagination run away with something she saw on TV.
It'll take about five days 
for the concrete to set.
.سيستغرق الأسمنت خمسة أيام ليجف
Es dauert ungefähr fünf Tage,
bis der Beton ausgehärtet ist.
El cemento tardará
unos cinco días en secar.
El cemento tardará
unos cinco días en secarse.
Le ciment sera sec
dans quelques jours.
Il cemento ci metterà cinque giorni per assestarsi.
Levará cerca de cinco dias
para o concreto endurecer.
Бетон должен застывать пять дней.