bus, kereta api (mungkin bahkan helikopter), membungkuk di bawah lampu hemat energi yang dilapisi kaca agar awet. Jika Anda mengemudi, jalan raya yang Anda lewati bisa terbuat dari agregat dan aspal termasuk kaca daur ulang; bahkan garis-garis putih di tengah menggunakan manik-manik kaca k...
The raising of new orchid hybrids from seed is a highly specialized procedure performed under laboratory conditions. The seed is sown on an agar jelly medium containing various mineral salts and sugars. Seed, glassware and implements are sterilized, as aseptic conditions are essential. After germinati...