41. Immersing flowers in glycerol or polyethylene glycol also lengthens lifespan. 42. Most network cables are insulated with polyethylene , PVC or thermoplastic polyurethane. 43. The company supplies polyolefin plastics ( polyethylene and polypropylene ). 44. Strips of polyethylene were used to reduce movement of the right arm. 45. Polyethylene was light, relatively cheap, and unaffected by ultraviolet radiation.46. The balloon was constructed of polyethylene plastic measuring only thick. 47. Yoshino developed a microporous polyethylene membrane separator with a fuse function. 48. Nodax has a chemical structure which resembles linear low-density polyethylene . 49. These envelopes are made of a lamina of paper, foil and polyethylene . 50. Install a layer of tarpaper or polyethylene plastic before installing the new boards.
