Recycling with worms
Título:
Recycling with worms
Resumen:
This video shows how worms can be used to reduce garbage. It looks at the problem of garbage production and disposal and shows how to build and operate a small classroom size worm bin. Includes teachers guide with instructions on how to construct a worm bin.
Fecha de publicación como intervalo:
1994
Descripción física:
12 minutes
Información de publicación:
Toronto Magic Lantern Communications 1994
