Commercial Freezers To -40Â° C. Low Temperature Upright, Vertical Freezers. Storage of your epoxy adhesive in a freezer at minus 40 degrees Celsius can considerably extend the shelf life of the epoxy adhesive. When storage is required; storage at this temperature will increase the shelf life of your epoxy to around 6 months. Our commercial freezer chest models are designed for safe, easy access to their interior storage chambers. They have a counterbalanced cabinet lid protect your valuable content.
Distaff, Device used in hand spinning in which individual fibres are drawn out of a mass of prepared fibres held on a stick (the distaff), twisted together to form a continuous strand, and wound on a second stick (the spindle). It is most often used for making linen; wool does not require a distaff (see carding).
diffraction. n. 1. (General Physics) physics a deviation in the direction of a wave at the edge of an obstacle in its path. 2. (General Physics) any phenomenon caused by diffraction and interference of light, such as the formation of light and dark fringes by the passage of light through a small aperture.3. (General Physics) deflection of sound waves caused by an obstacle or by nonhomogeneity of a medium.. 1. (General Physics) physics a deviation in the direction of a wave at the edge of an obstacle in its path. 2. (General Physics) any phenomenon caused by diffraction and interference of light, such as the formation of light and dark fringes by the passage of light through a small aperture.