application of computer design-programs based on his wave theory of aberrations in conjunction with new types of glass, coatings and manufacturing techniques has transformed the performance of all types of lenses. whilst zoom lenses can never out-perform fixed focal lengths, the differences are no longer...
and vegetable tanning agents properties orgtan pc • improves fixation of chrome when used in chrome tanning before bcs. • is especially suitable for filling loose fibres in upper leather. • imparts fullness, grain smoothness and improves the thickness. • excellent light fastness, so suitable for white...
fabrics physical properties and characteristics of fabrics we need to make sure that the customer is aware of the properties and characteristics of the fabrics. it is the designer's responsibility to select the appropriate fabrics for their intended applications, but it is the responsibility of the...
we are engaged in brush fibres, including bristle filaments, boiled bristles and artist brushes and paint brushes, etc. goat hair bristle filament who we are?...
together to form a yarn. the structure of the yarn is fixed ... changzhou jlon composite co., ltd. gold member audited supplier jiangsu, china iso , iso inquiry basket ec g fiberglass yarn for fiberglass cloth fob price: $ - $ / kg min. order: kg introduction: fiberglass yarns consist of a defined...
subcategories video games video game console game controller & joystick video game player case other video game accessories all subcategories common used accessories bluetooth & wi-fi wireless speaker head & bluetooth earphone headset microphone portable speaker all subcategories computer internet of...