Search Result For sterilize
Machine Makes Books Safe – level 1
15-12-2020 07:00
Libraries in Japan use special machines. The machines sterilize...Machine Makes Books Safe – level 2
15-12-2020 07:00
Libraries in Japan use special machines that sterilize books....Machine Makes Books Safe – level 3
15-12-2020 07:00
Libraries in Japan use machines that sterilize books using...Coronavirus in Classrooms – level 2
19-08-2020 07:00
The school year starts soon, and many parents wonder...Coronavirus in Classrooms – level 3
19-08-2020 07:00
As the school year starts, many parents may be...Too Many Monkeys – level 3
15-07-2020 15:00
Lopburi, Thailand, is home to 6,000 macaques that draw...End of the one-child policy – level 2
06-11-2015 15:00
In the 1950s, China’s population grew by around 1.9%...