all office supplies presentation equipment projection screens category presentation equipment projection screens brands bi-office nobo product filters filter within selections above. data is not available for all products. clear filters type portable screens wall/ceiling mounted screens digital projectors...
teachers can only access these phones during breaks. some would resort to using their personal phones to contact parents and colleagues for work-related matters. this is not only costly on the teacher's end, but it's also a security concern. technology almost never reaches the classroom. save for some projectors...