20
0:14
1 Luidsprekere
1 Hoofstukke
5 Groepeamount in units (real)
Luidsprekere
Hoofstukke
-
0:00Hoofstuk 1: Number 21. 14s · Speaker 1
Number 21. How many computers will your laboratory need? Probably around 50. Every other week. The keyboards were included.