rocla rainwater brochure · rainwater is best stored underground, where reduced warmth and light...

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Page 1: rocla rainwater brochure · Rainwater is best stored underground, where reduced warmth and light ensure an almost germ-free environment. The best storage tank material is concrete
Page 2: rocla rainwater brochure · Rainwater is best stored underground, where reduced warmth and light ensure an almost germ-free environment. The best storage tank material is concrete