health and its preservation"; in every lasson I bave attempted to emphasize the causes wbich bring about the common forms of diseases and to show how these can be easily avoided by adopting a few simple precautions.
All formal stiffness in language has been avoiled and an casy and natural form of Malaya- lam, as is spoken in everyday life, has boen adopted
I wish to acknowledge with gratitude the valuable help rendered to me by M. R. Rr. A. R. RAJA RAJA VARMA, KOIL THAMPURAN AVI: M, A., M. R. A. S. of the Trivandrum College who was kind enough to furnish mo with a list of the Ma- layalam technical torns adoptod in the book, and also to go through the glossary and portions of the manuscripts and make useful suggestions regard- ing the language etc.
In the matter of illustrations, I have endoa- voured to give as many of them as I thought were nocossary. The blocks have all been specially prepared for my Tamil book by the Methodist Publishing IIouse, Madras. My thanks are also due to M. R. RY. C. KUNIIT- RAMA MANON AYL. Manager, Mangalodayain Co., Ltd., for the care and promptitless with which he has brought out this book.
August 1st, 1977
ഈ താൾ വിക്കിഗ്രന്ഥശാല ഡിജിറ്റൈസേഷൻ മത്സരം 2014-ന്റെ ഭാഗമായി സ്കൂൾ ഐടി ക്ലബ്ബിലെ വിദ്യാർഥികൾ നിർമ്മിച്ചതാണ്.