books نظافة جرثومية
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# germ warfare
# germ cell
# germ plasma
# germ theory of disease
# From miasma to germ theory
# Organs produced by germ layers
# germ cylinder
# germ protoplasm
# primary germ cell
# large germ cell
# germ cell derived
# germ mutation
# germ culture
# What is the importance of hygiene?
# How do we maintain dental hygiene?
# How do we maintain school hygiene?
# Paragraph Do you know about hygiene?
# What is the concept of hygiene?
# What is the importance of human hygiene?
# What is personal hygiene?
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نظافة جرثومية (Info)
نظافة جرثومية:- مستوى النظافة الخاص بخلو الأسطح عملياً من الجراثيم. (المعجم الموحد لمصطلحات تقانات الأغذية)
