Glassware and syringes are sterilized by:
Key Points:-
Hot-air oven is used in laboratories and clinics for heat-resistant items that are not sterilized well by moist heat. They are used for sterilization of:

Glasswares (syringes, Petri dishes, flasks, pipettes, test tubes, etc.).
Surgical instruments (scalpels, scissors, forceps, etc.).
Chemicals (liquid paraffin, sulfonamide powders, etc.); and
Oils that are not penetrated well by steam used in moist heat sterilization.

Parija SC. Textbook of Microbiology & Immunology. Elsevier Health Sciences; 2014. Page: 27
Autoclave
Hot air oven
Ethylene oxide
Irradiation