Document:

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                                                                     Exhibit 4.1

   NUMBER                                                            SHARES
US

                [LOGO]             USA VIDEO
                               INTERACTIVE CORP.
              INCORPORATED UNDER THE LAWS OF THE STATE OF WYOMING

                                                               CUSIP 902924 20 8

THIS CERTIFIES THAT

is the registered holder of

    FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK WITHOUT PAR VALUE

in the Capital of the above named Corporation transferable on the books of the
Corporation by the registered holder in person or by Attorney duly authorized in
writing upon surrender of this Certificate properly endorsed. This Certificate
and the shares represented hereby are subject to the laws of the State of
Wyoming, and to the Articles of Incorporation and Bylaws of the Corporation as
now or hereafter amended.

This Certificate is not valid unless countersigned by the Transfer Agent and
Registrar of the Corporation.

IN WITNESS WHEREOF the Corporation has caused this Certificate to be signed on
its behalf by the facsimile signatures of its duly authorized officers.

/s/ Frank Bowden                   DATED
      President                            COUNTERSIGNED AND REGISTERED
                                           CIBC Mellon Trust Company     CALGARY
                                           TRANSFER AGENT AND REGISTRAR

/s/ Tony Drescher                          By _______________________________
      Secretary                                      Authorized Officer

  The Shares represented by this Certificate are transferable at the offices
                of CIBC Mellon Trust Company, Calgary, Alberta<PAGE>

                                                                     Exhibit 4.2

                          USA VIDEO INTERACTIVE CORP.
                    (incorporated under the laws of Wyoming)

                         CLASS "A" WARRANT CERTIFICATE

              RIGHT TO PURCHASE ____________________ COMMON SHARES

                        THIS WARRANT IS NON-TRANSFERABLE

THIS IS TO CERTIFY that for value received,(Name) __________, of (Address)
__________, (City) __________,(State/ Province) __________________ (Postal/ Zip
Code) ________, is entitled to purchase __________ fully paid and non-assessable
common shares of USA Video Interactive Corp. (herein the "Company") as such
shares were constituted on __________, 2000, at any time up to the close of
business in the City of Vancouver, in the Province of British Columbia, on
___________, 200__ at and for a price of $____.__00 U.S. per common share.

Please note that the relevant share certificate(s) MUST bear the following
legend:

       TRANSFER OF THESE SHARES IS RESTRICTED UNTIL ____________, 200___

This Warrant may be exercised only at the Company's office at 507, 837 West
Hastings  Street, Vancouver, British Columbia  V6C 3N6.

IN WITNESS WHEREOF the Company has caused this Warrant to be executed effective
the _______ day of _________, 2000.

USA VIDEO INTERACTIVE CORP.

Per:_____________________________________
                                 (c/s)

                               SUBSCRIPTION FORM
                               -----------------

TO:    USA VIDEO INTERACTIVE CORP.
       507, 837 West Hastings Street
       Vancouver, British Columbia  V6C 3N6

(Name)__________, the holder of the above Class "A" Warrant, subscribes for
_______________ of the common shares of USA Video Interactive Corp. referred to
in the above Warrant according to the conditions thereof, and herewith makes
payment for the purchase price in full for the number of shares at and for a
price of $_______.__ U.S. per share.  A certified cheque or bank draft is
enclosed herewith for such amount.

The undersigned hereby directs that the shares hereby subscribed for be issued
and delivered as follows:

Name in full                  Address                       Number of Shares
------------                  -------                       ----------------
________________________________________________________________________________

DATED this ____ day of ________________, _______.

                                                 ________________________ (Name)<PAGE>

                                                                     Exhibit 4.3

                          MICRON METALS CANADA CORP.
                          --------------------------

                               SHARE OPTION PLAN

1.   PURPOSE

     The purpose of the Share Option Plan (the "Plan") is:

     (i)   to provide employees, officers and directors of Micron Metals Canada
           Corp. (the "Corporation") and its subsidiaries an incentive, in the
           form of a proprietary interest in the Corporation;

     (ii)  to increase their interest in the Corporation's welfare; and

     (ii)  to provide a means through which the Corporation can attract and
           retain employees of outstanding abilities.

2.   ADMINISTRATION
     --------------

     The Plan shall be administered by the Board of Directors (the "Board") of
the Corporation. The Board may make grants, subject to the terms of the Plan, to
such eligible persons and with respect to such number of shares in the common
share capital of the Corporation as the Board, in its sole discretion, may
determine.

     Subject to the provisions of the Plan, the Board shall be authorized to
interpret the Plan and the grants made under the Plan, to establish, amend and
rescind any rules and regulations relating to the Plan and to make all other
determinations necessary or advisable for the administration of the Plan. The
Board may correct any defect, supply any omission and reconcile any
inconsistency in the Plan or in any option or grant in the manner and to the
extent it shall be deemed desirable to carry it into effect. The determinations
of the Board in the administration of the Plan, as described herein, shall be
final and conclusive.

3.   SHARES SUBJECT TO THE PLAN
     --------------------------

     Subject to adjustment as provided in paragraph 9, an aggregate of 10% of
the issued common shares of the Corporation (on a non-diluted basis) will be
available for issuance upon the exercise of options granted under the Plan. The
aggregate number of shares so reserved for issuance to any one person must not
exceed 5% of the outstanding issue (on a non-diluted basis). If any Plan option
shall terminate for any reason without having been exercised in full the
unpurchased shares subject thereto shall be available for future options.

4.   ELIGIBILITY
     -----------

     Employees, officers and directors of the Corporation and its subsidiaries
shall be eligible for grants under the Plan. The term "subsidiaries" shall mean
any corporation now existing or hereafter organized or acquired (other than the
Corporation) in which the Corporation owns 50% or more of the total combined
voting shares of all classes of share capital.

5.   GRANTING OF OPTIONS
     -------------------

     The Board may, from time to time, grant share options to eligible persons.
Except as hereinafter provided, options granted pursuant to the Plan shall be

<PAGE>

                                      -2-

     (a)  Price

          The purchase price per share deliverable upon the exercise of each
          option shall be established in accordance with rules and regulations
          of the Alberta Stock Exchange at the time the option is granted.

     (b)  Terms of Options

          The term during which each option may be exercised shall be determined
          by the Board, but in no event shall an option be exercisable in whole
          or in part more than five years from the date it is granted. All
          rights to purchase pursuant to an option shall, unless sooner
          terminated, expire at the date designated by the Board. The Board
          shall determine the date on which each option shall be exercisable and
          may provide that an option shall become exercisable in instalments.
          The shares comprising each instalment may be purchased in whole or
          in part at any time after such instalment becomes purchasable. The
          Board may, in its sole discretion accelerate the time at which any
          option may be exercised in whole or in part.

     (c)  Termination of Employment, Term of Office or Directorship

          Upon the termination by the Corporation of a grantee's employment term
          of office or directorship for cause, his option shall be termination.
          Upon the termination of a grantee's employment, term of office of
          directorship for any other reason, no further instalments shall
          accrue to the grantee and the grantee's right to exercise an option
          shall be limited to the earlier of:

          (i)  thirty (30) days from the date of such termination: or

          (ii) one year from the date of the grantee's death

          but in no event beyond the expiration of the term of the option:

          Subject to the foregoing, in the event of death, such option may be
          exercised by a grantee's personal representative.

6.   CERTIFICATE OF GRANT

     Each grantee who receives a grant of option under the Plan shall receive a
certificate of grant from the Corporation which shall contain such provisions,
consistent with the provisions of the Plan, as may be established from time to
time by the Board.

7.   TRANSFERABILITY OF GRANTS

     No grant under the Plan shall be transferable by a grantee otherwise than
by Will or the laws of descent and distribution, and during the lifetime of the
grantee, such grants may be exercised only by him or by his guardian or personal
representative.
<PAGE>

                                      -3-

8.   LISTING AND REGISTRATION
     ------------------------

     Each grant shall be subject to the requirement that, if at any time the
Board shall determine in its discretion that the listing, registration or
qualification of the shares subject to such grant upon any securities exchange
or under any provincial or federal law, or the consent or approval of any
governmental regulatory body is necessary or desirable as a condition of, or in
connection with, such grant or the issue or purchase of shares thereunder, no
such grant may be exercised in whole or in part unless such listing,
registration, qualification, consent or approval shall have been effective or
obtained free of any conditions not acceptable to the Board.

9.   ADJUSTMENT OF AND CHANGES TO COMMON SHARES OF THE CORPORATION
     -------------------------------------------------------------

     In the event of a reorganization, recapitalization, change of shares, share
spilt, spin-off, stock dividend, reclassification, subdivision or combination of
shares, merger, consolidation, rights offering, or any other changes in the
corporate structure or shares of the Corporation, the Board shall make such
adjustment as it deems appropriate in the number and kind of shares authorized
by the Plan, in the number and kind of shares covered by grants made under the
Plan and in the purchase prices of outstanding options. There shall be no change
to any outstanding options without the consent of the grantees, which consent
shall not be unreasonable withheld.

10.  NO RIGHTS OF SHAREHOLDERS
     -------------------------

     Neither the grantee nor his personal representative shall be, or have any
of the rights and privileges of, a shareholder of the Corporation in respect of
any shares purchasable upon the exercise of any option in whole or in part,
unless and until certificates for such shares have been issued.

11.  AMENDMENT AN TERMINATION
     ------------------------

     The Plan may be amended by the Board as it shall deem advisable to conform
to any change in the law or regulation applicable thereto or in any other
respect which the board may deem to be in the best interest of the Corporation;
provided, however, that the Board may not, without the authorization and
approval of the shareholders increase the total number of securities which may
be issued under the Plan except pursuant to paragraph 9.

12.  EFFECTIVE DATE OF THE PLAN
     --------------------------

     The Plan was created by the Board effective January 2, 1990, to be
confirmed by the shareholders of the Corporation on March 29, 1990.

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