Menggunakan peranti lunak sistem tertutup produksi asing, jika ada kerusakan belum tentu bisa diselesaikan cepat karena harus memanggil teknisi dari luar negeri untuk perbaikannya.
Using foreign-made closed system softwares, if something is wrong, it might happen that the failure could not be fixed quickly as the technicians has to be called from abroad to fix the problem.