with a screwed top or its equivalent.

They must be constructed so as to be water- and air-tight without the use
of solder, and conspicuously marked "CALCIUM CARBIDE--DANGEROUS IF NOT
KEPT DRY."

The following is a summary of the AUSTRIAN GOVERNMENT rules relating to
the storage and handling of carbide:

(1) It must be sold and stored only in closed water-tight vessels, which,
if the contents exceed 10 kilos., must be marked in plain letters
"CALCIUM CARBIDE--TO BE KEPT CLOSED AND DRY." They must not be of copper
and if soldered must be opened by mechanical means and not by
unsoldering. They must be stored out of the reach of water.

(2) Quantities not exceeding 300 kilos. may be stored in occupied houses,
provided the single drums do not exceed 100 kilos. nominal capacity. The
storage-place must be dry and not underground.

(3) The limits specified in Rule 2 apply also to generator-rooms, with
the proviso also that in general the amount stored shall not exceed five
days' consumption.

(4) Quantities ranging from 300 to 1000 kilos. must be stored in special
well-ventilated uninhabited non-basement rooms in which lights and
smoking are not allowed.

(5) Quantities exceeding 1000 kilos. must be stored in isolated fireproof
magazines with light water-tight roofs. The floors must be at least 8
inches above ground-level.