tayyorish

Mahsulot tavsifi

Study the composition of air and its impact on human health, as well as methods to purify the air environment. Helps maintain the balance of substances in the body through breathing

#modda almashinuvi#sog'lom muhit#havogigiyenasi

Muallif

File BANK
File BANKTasdiqlangan muallif
Hujjatlari
18 438
Sotilgan
1 430

O'xshash hujjatlar