The workbook for by Smirnov and Khrennikov , published by Prosveshchenie , is designed to reinforce the main textbook material through practical and creative exercises. Key Features of the Workbook
: Follows a modular principle covering urban safety, fire safety, flooding, and gas leaks. obzh 5 klass smirnov khrennikov tetrad otvety
: Dealing with gas leaks or plumbing failures (floods). Fire Hazards : Rules for handling household appliances. The workbook for by Smirnov and Khrennikov ,